Index (LensKit 1.3 API)

A B C D E F G H I J K L M N O P Q R S T U V W

A

AbsoluteThreshold - Class in org.grouplens.lenskit.transform.threshold: Checks similarity values to ensure their absolute values are over the ThresholdValue.
AbsoluteThreshold(double) - Constructor for class org.grouplens.lenskit.transform.threshold.AbsoluteThreshold: Construct a new absolute-value threshold.
AbstractBaselinePredictor - Class in org.grouplens.lenskit.baseline: Abstract implementation of BaselinePredictor.
AbstractBaselinePredictor() - Constructor for class org.grouplens.lenskit.baseline.AbstractBaselinePredictor
AbstractConfigContext - Class in org.grouplens.lenskit.core: Helper for implementing Lenskit config contexts.
AbstractConfigContext() - Constructor for class org.grouplens.lenskit.core.AbstractConfigContext
AbstractCursor<T> - Class in org.grouplens.lenskit.cursors: Base class to make Cursors easier to implement.
AbstractCursor() - Constructor for class org.grouplens.lenskit.cursors.AbstractCursor: Construct a cursor of unknown size.
AbstractCursor(int) - Constructor for class org.grouplens.lenskit.cursors.AbstractCursor: Construct a cursor.
AbstractDataAccessObject - Class in org.grouplens.lenskit.data.dao: Abstract implementation of DataAccessObject, delegating to a few core methods.
AbstractDataAccessObject() - Constructor for class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Construct a new abstract DAO.
AbstractEvent - Class in org.grouplens.lenskit.data.event: Abstract base class for implementing events.
AbstractEvent() - Constructor for class org.grouplens.lenskit.data.event.AbstractEvent
AbstractEventCursor<E extends Event> - Class in org.grouplens.lenskit.data.event: Helper for making event cursors.
AbstractEventCursor() - Constructor for class org.grouplens.lenskit.data.event.AbstractEventCursor: Construct a cursor of unknown size.
AbstractEventCursor(int) - Constructor for class org.grouplens.lenskit.data.event.AbstractEventCursor: Construct a cursor with a known number of rows.
AbstractGlobalItemRecommender - Class in org.grouplens.lenskit.basic: Base class for item recommenders.
AbstractGlobalItemRecommender(DataAccessObject) - Constructor for class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Initialize the recommender.
AbstractGlobalItemScorer - Class in org.grouplens.lenskit.basic: Base class to make global item scorers easier to implement.
AbstractGlobalItemScorer(DataAccessObject) - Constructor for class org.grouplens.lenskit.basic.AbstractGlobalItemScorer: Initialize the abstract item scorer.
AbstractIntPointer - Class in org.grouplens.lenskit.collections: Helper class for implementing int pointers.
AbstractIntPointer() - Constructor for class org.grouplens.lenskit.collections.AbstractIntPointer
AbstractItemRecommender - Class in org.grouplens.lenskit.basic: Base class for item recommenders.
AbstractItemRecommender(DataAccessObject) - Constructor for class org.grouplens.lenskit.basic.AbstractItemRecommender: Initialize the recommender.
AbstractItemScorer - Class in org.grouplens.lenskit.basic: Base class to make item scorers easier to implement.
AbstractItemScorer(DataAccessObject) - Constructor for class org.grouplens.lenskit.basic.AbstractItemScorer: Initialize the abstract item scorer.
AbstractLongCursor - Class in org.grouplens.lenskit.cursors: Abstract implementation of long cursors.
AbstractLongCursor() - Constructor for class org.grouplens.lenskit.cursors.AbstractLongCursor: Construct a cursor with unknown size.
AbstractLongCursor(int) - Constructor for class org.grouplens.lenskit.cursors.AbstractLongCursor: Construct a cursor with possibly-known size.
AbstractMetric<E> - Class in org.grouplens.lenskit.eval.metrics: A simple metric base class that tracks the current evaluation.
AbstractMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.AbstractMetric
AbstractPollingCursor<T> - Class in org.grouplens.lenskit.cursors: An extension of AbstractCursor that simplifies the mechanics of the next()/hasNext() implementation to a simple method, AbstractPollingCursor.poll().
AbstractPollingCursor() - Constructor for class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a cursor of unknown size.
AbstractPollingCursor(int) - Constructor for class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a cursor with a known number of rows.
AbstractPreferenceSnapshot - Class in org.grouplens.lenskit.data.snapshot: Base class for implementing preference snapshots.
AbstractPreferenceSnapshot() - Constructor for class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot: Initialize the snapshot.
AbstractRatingPredictor - Class in org.grouplens.lenskit.basic: Base class to make rating predictors easier to implement.
AbstractRatingPredictor(DataAccessObject) - Constructor for class org.grouplens.lenskit.basic.AbstractRatingPredictor: Initialize the abstract item scorer.
AbstractScoredId - Class in org.grouplens.lenskit.scored: A base class for ScoredId implementations providing equals and hashCode methods.
AbstractScoredId() - Constructor for class org.grouplens.lenskit.scored.AbstractScoredId
AbstractTableWriter - Class in org.grouplens.lenskit.util.table.writer: Abstract helper class for implementing table writers.
AbstractTableWriter() - Constructor for class org.grouplens.lenskit.util.table.writer.AbstractTableWriter
AbstractTask<T> - Class in org.grouplens.lenskit.eval: Base class to simplify writing EvalTasks.
AbstractTask() - Constructor for class org.grouplens.lenskit.eval.AbstractTask: Initialize a command with no name.
AbstractTask(String) - Constructor for class org.grouplens.lenskit.eval.AbstractTask: Initialize a command.
AbstractTestUserMetric - Class in org.grouplens.lenskit.eval.metrics: Abstract base implementation of TestUserMetric.
AbstractTestUserMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.AbstractTestUserMetric
AbstractUserHistory<E extends Event> - Class in org.grouplens.lenskit.data: An abstract implementation of UserHistory to provide default implementations of convenience methods.
AbstractUserHistory() - Constructor for class org.grouplens.lenskit.data.AbstractUserHistory
AbstractUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Abstract user vector normalizer implementation.
AbstractUserVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.AbstractUserVectorNormalizer
AbstractVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Abstract vector normalizer implementation.
AbstractVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.AbstractVectorNormalizer
add(long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(int, long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(Long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(int, Long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(int, long, double) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(long, double) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
add(int, long, double) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Add a scored item at a particular position.
add(long, double) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Add a scored item to the list.
add(double) - Method in class org.grouplens.lenskit.util.statistics.AverageAccumulator: Add a new datum to the AverageAccumulator.
add(long, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a value to the specified entry.
add(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a value to all set keys in this array.
add(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add another rating vector to this one.
add(int, double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Add a value to an entry in this vector.
add(Vec) - Method in class org.grouplens.lenskit.vectors.MutableVec: Add another vector to this vector.
addAlgorithm(LenskitAlgorithmInstance) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds an algorithm to the TrainTestEvalCommand being built.
addAlgorithm(LenskitAlgorithmInstanceBuilder) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a fully configured algorithm command to the TrainTestEvalCommand being built.
addAlgorithm(LenskitAlgorithmInstance) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addAll(int, LongCollection) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addAll(int, LongList) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addAll(LongList) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addAll(Collection<? extends Long>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addAll(int, Collection<? extends Long>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addAll(LongCollection) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addChannel(Symbol, double) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Add a new side channel to the ScoredId under construction.
addChannel(TypedSymbol<K>, K) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Add a new typed side channel to the ScoredId under construction.
addChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a channel to this vector.
addChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a typed channel to this vector.
addChannel(Symbol, SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a channel to this vector, and set it equal to a given value.
addChannel(TypedSymbol<K>, TypedSideChannel<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a typed channel to this vector, and set it equal to a given value.
addColumn(String) - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Add a column to the table layout.
addDataset(CrossfoldTask) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Calls the CrossfoldCommand and adds the resulting TTDataSets to the TrainTestEvalCommand.
addDataset(String, DataSource, int, double) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Constructs a new CrossfoldCommand and configures it before adding the datasets to the TrainTestEvalCommand.
addDataset(DataSource, int, double) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Constructs a new CrossfoldCommand with the same name as its datasource and configures it before adding the datasets * to the TrainTestEvalCommand.
addDataset(String, DataSource, int) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Constructs a new CrossfoldCommand and configures it before adding the datasets to the TrainTestEvalCommand.
addDataset(DataSource, int) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Constructs a new CrossfoldCommand and configures it before adding the datasets to the TrainTestEvalCommand.
addDataset(TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a single TTDataSet to the TrainTestEvalCommand.
addDataset(String, DAOFactory, DAOFactory, PreferenceDomain) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This constructs a new TTDataSet and passes it to the TrainTestEvalCommand.
addDataset(DAOFactory, DAOFactory, PreferenceDomain) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This constructs a new TTDataSet and passes it to the TrainTestEvalCommand.
addDataset(TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addElements(int, long[]) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addElements(int, long[], int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addElements(int, long[], double[]) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addElements(int, long[], double[], int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
addElements(int, long[], double[]) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Add scored elements to the list.
addElements(int, long[], double[], int, int) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Add scored elements to the list.
addExternalAlgorithm(ExternalAlgorithmInstance) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addInput(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an input timestamp.
addInput(File) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an input file.
addListener(Runnable, Executor) - Method in class org.grouplens.lenskit.eval.EvalTarget
addMetric(TestUserMetric) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a completed metric to the TrainTestEvalCommand
addMetric(TestUserMetric) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addMetric(Class<? extends TestUserMetric>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addMetric(List<String>, Function<Recommender, List<Object>>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric that takes some metric of an algorithm.
addMultiMetric(File, List<String>, Function<Recommender, List<List<Object>>>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric that may write multiple columns per algorithm.
addOutput(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an output timestamp.
addOutput(File) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an output file to check.
addRoot(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Add the specified component type as a root component.
addRoot(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Add the specified component type as a root component.
addRow(List<?>) - Method in class org.grouplens.lenskit.util.table.TableBuilder: Add a row to the table.
addRow(Object...) - Method in class org.grouplens.lenskit.util.table.TableBuilder: Add a row to the table.
addScore(long, long, double) - Method in class org.grouplens.lenskit.util.test.MockItemScorer.Builder: Add a score.
addTask(Task) - Method in class org.grouplens.lenskit.eval.EvalTarget
addTrainingRound(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Add the error for a training round.
addUser(long, SparseVector) - Method in class org.grouplens.lenskit.util.test.MockItemScorer.Builder: Add an user's entire score vector to the mock scorer.
addWritePredictionChannel(Symbol) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a channel to be recorded with predict output.
addWritePredictionChannel(Symbol, String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a channel to be recorded with predict output.
advance() - Method in class org.grouplens.lenskit.collections.BitSetPointer
advance() - Method in interface org.grouplens.lenskit.collections.Pointer: Advance the pointer.
algorithm - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
algorithm - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
AlgorithmInstance - Interface in org.grouplens.lenskit.eval.algorithm: An algorithm instance.
AlgorithmInstanceBuilderDelegate - Class in org.grouplens.lenskit.eval.algorithm: Groovy delegate for configuring AlgorithmInstanceCommands.
AlgorithmInstanceBuilderDelegate(LenskitAlgorithmInstanceBuilder) - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
AlgorithmTestAccumulator - Interface in org.grouplens.lenskit.eval.results: Accumulates the results of a single test pass on a single algorithm.
alwaysAddChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a channel to the vector, even if there is already a channel with the same symbol.
alwaysAddChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a typed channel to the vector, even if there is already a channel with the same symbol.
ANALYSIS_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
ant(Closure<?>) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Invoke an Ant block.
ant(Closure<?>) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate: Invoke an Ant block.
append(E) - Method in class org.grouplens.lenskit.eval.maven.MavenLogAppender
apply(List<E>, Random) - Method in interface org.grouplens.lenskit.eval.data.crossfold.Order: Apply the ordering.
apply(List<E>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.RandomOrder
apply(List<E>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.TimestampOrder
apply(long, long, double) - Method in interface org.grouplens.lenskit.transform.clamp.ClampingFunction: Clamp a value.
apply(long, long, double) - Method in class org.grouplens.lenskit.transform.clamp.IdentityClampingFunction
apply(long, long, double) - Method in class org.grouplens.lenskit.transform.clamp.RatingRangeClampingFunction
apply(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorTransformation: Apply the vector transformation in-place to a vector.
apply(double) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Deprecated.
Use Quantizer.index(double val)
apply(double) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: Deprecated.
asMap() - Method in interface org.grouplens.lenskit.util.table.Row: Get a view of this row as a map.
asSubclass(Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that casts classes to specified types.
at(Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Configure inside an anchored context using a block.
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Class<? extends Annotation>, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Annotation, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
at(Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
at(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
at(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
average() - Method in interface org.grouplens.lenskit.util.table.Column: Get the average of this column.
AverageAccumulator - Class in org.grouplens.lenskit.util.statistics: An implementation of a moving average.
Only the sum and the item count is stored, not the values them self.
AverageAccumulator() - Constructor for class org.grouplens.lenskit.util.statistics.AverageAccumulator: Construct a new, zeroed average accumulator.
AverageAccumulator(double, long) - Constructor for class org.grouplens.lenskit.util.statistics.AverageAccumulator: Initialize the AverageAccumulator with a pre-calculated sum and the amount of values included.

B

baseline - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
BaselineItemScorer - Class in org.grouplens.lenskit.baseline: ItemScorer that delegates to the baseline predictor.
BaselineItemScorer(DataAccessObject, BaselinePredictor, ItemScorer) - Constructor for class org.grouplens.lenskit.baseline.BaselineItemScorer: Construct a new baseline rating predictor.
BaselinePredictor - Interface in org.grouplens.lenskit.baseline: Rating predictor that operates on sparse vectors and guarantees 100% coverage of items.
baselinePredictor - Variable in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
BaselineSubtractingUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: User vector normalizer that subtracts a user's baseline predictions.
BaselineSubtractingUserVectorNormalizer(BaselinePredictor) - Constructor for class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer: Create a new BaselineSubtractingUserVectorNormalizer with the given baseline.
BasicSQLStatementFactory - Class in org.grouplens.lenskit.data.sql: Default implementation of the SQL statement factory.
BasicSQLStatementFactory() - Constructor for class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
BasicUserHistory<E extends Event> - Class in org.grouplens.lenskit.data.history: Basic user rating profile backed by a collection of ratings.
BasicUserHistory(long, List<? extends E>) - Constructor for class org.grouplens.lenskit.data.history.BasicUserHistory: Deprecated.
Use History.forUser(long, java.util.List) instead.
bind(Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
bind(Class<T>) - Method in class org.grouplens.lenskit.core.ContextWrapper
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.core.ContextWrapper
bind(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
bind(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
bindAny(Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
BindingDSL - Class in org.grouplens.lenskit.config: Groovy DSL definition for configuring LensKit recommenders.
BitSetIterator - Class in org.grouplens.lenskit.collections: Iterator over the set bits in a BitSet, returning the indexes of the set bits, in order from 0 to highest index of a set bit.
BitSetIterator(BitSet) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Construct an iterator over a bit set.
BitSetIterator(BitSet, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Construct an iterator over a bit set, starting at a desired index.
BitSetIterator(BitSet, int, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Create an iterator starting at a particular bit and ending at another index.
BitSetIterator(BitSet, int, int, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Create an iterator starting at a particular bit and ending at another index, with an initial position that may not be at the beginning.
BitSetPointer - Class in org.grouplens.lenskit.collections: A pointer over the bits in a bit set.
BitSetPointer(BitSet) - Constructor for class org.grouplens.lenskit.collections.BitSetPointer: Create a bit set pointer starting at the first set bit.
BitSetPointer(BitSet, int) - Constructor for class org.grouplens.lenskit.collections.BitSetPointer
BitSetPointer(BitSet, int, int) - Constructor for class org.grouplens.lenskit.collections.BitSetPointer: Create a new bit set pointer with a specified starting position.
build(DAOFactory, LenskitConfiguration) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Build a LensKit recommender engine from a configuration.
build(DataAccessObject, LenskitConfiguration) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Build a LensKit recommender engine from a configuration and a DAO.
build() - Method in class org.grouplens.lenskit.data.event.RatingBuilder
build() - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Build the indexed preference.
build() - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
build() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder
build() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder
build() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder
build() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Build the data source.
build() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
build() - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
build() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
build() - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Finish constructing the ScoredId and instantiate it.
build() - Method in class org.grouplens.lenskit.util.table.TableBuilder
build() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder
build() - Method in class org.grouplens.lenskit.util.test.MockItemScorer.Builder: Construct the mock item scorer.
buildContext() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContextFactory: Constructs and returns a new ItemItemBuildContext.
buildGraph(Class<? extends DataAccessObject>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Get a mockup of the full recommender graph.
buildGraph() - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Get a mockup of the full recommender graph.
buildGraph(DataAccessObject) - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Get the full recommender graph with a live DAO.
buildMatrix() - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator
buildObject(Builder<T>, Map<String, Object>) - Static method in class org.grouplens.lenskit.config.GroovyUtils: Build an object using named arguments.
buildRecommender(DataAccessObject, Supplier<? extends PreferenceSnapshot>, PreferenceDomain, ExecutionInfo, boolean) - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
BuiltBy - Annotation Type in org.grouplens.lenskit.eval.script: Specify the command for the default type of this class/interface to which it is applied.

C

cache - Variable in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot: The user vector cache.
CachedPreparedStatement - Class in org.grouplens.lenskit.data.sql: A simple object that wraps a lazy initialized PreparedStatement.
CachedPreparedStatement(Connection, String) - Constructor for class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Create a new cached prepared statement.
caching(File, String) - Static method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory: Create a caching DAO factory.
call() - Method in class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Get the prepared statement, creating one if necessary.
call() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: If this is called more than once it will call of these commands again and most likely throw an exception.
callExternalMethod(String, Object...) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker: Find an external method (a builder or task) and return a closure that, when invoked, constructs and configures it.
callWithDelegate(Closure<?>, Object) - Static method in class org.grouplens.lenskit.config.GroovyUtils: Call a configuration block with a specified delegate.
cancel(boolean) - Method in class org.grouplens.lenskit.eval.EvalTarget
canUseHistory() - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Query whether this recommender can take advantage of user history.
canUseHistory() - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Query whether this scorer can actually use user history.
canUseHistory() - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Query whether this predictor can actually use user history.
canUseHistory() - Method in interface org.grouplens.lenskit.ItemRecommender: Query whether this recommender can take advantage of user history.
canUseHistory() - Method in interface org.grouplens.lenskit.ItemScorer: Query whether this scorer can actually use user history.
canUseHistory() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
canUseHistory() - Method in interface org.grouplens.lenskit.RatingPredictor: Query whether this predictor can actually use user history.
canUseHistory() - Method in class org.grouplens.lenskit.util.test.MockItemScorer
cast(Class<T>) - Static method in class org.grouplens.lenskit.util.Functional: Identity function casting its arguments to a particular type.
channel(Symbol) - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the value stored in the ScoredId's side channel associated with a specific symbol.
channel(TypedSymbol<K>) - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the value stored in the ScoredId's typed side channel associated with a specific symbol.
channel(Symbol) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
channel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
channel(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
channel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
channel(Symbol) - Method in class org.grouplens.lenskit.vectors.SparseVector: Fetch the channel stored under a particular symbol.
channel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.SparseVector: Fetch the channel stored under a particular typed symbol.
checkMutable() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Check if this vector is Mutable.
checkResults(Table) - Method in class org.grouplens.lenskit.test.CrossfoldTestSuite
checkRowWidth(int) - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: Check the width of a row to see if it is too wide.
ClampingFunction - Interface in org.grouplens.lenskit.transform.clamp: Function for clamping user-item data, typically a preference or rating.
clampValue(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Clamp a value to this preference domain.
clampVector(MutableSparseVector) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
classLoader - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
clear() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
clear(long) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Deprecated.
Use MutableSparseVector.unset(long) instead.
clear(VectorEntry) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Deprecated.
Use MutableSparseVector.unset(VectorEntry) instead.
clear() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Clear all values from the set.
clear() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
clearChannels() - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Removes all channels (typed and double) from new ScoredId objects produced by the builder.
clearDeps(Object) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
clearRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Clear the rating value (so this builder builds unrate events).
clone() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
clone() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Clone this layout command.
clone() - Method in class org.grouplens.lenskit.vectors.VectorEntry
close() - Method in class org.grouplens.lenskit.core.LenskitRecommender
close() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: No-op implementation of the Cursor.close() method.
close() - Method in interface org.grouplens.lenskit.cursors.Cursor: Close the cursor.
close() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Close this DAO so that any underlying data session is closed.
close() - Method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor
close() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
close() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO
close() - Method in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot
close() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
close() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Close the build context.
close() - Method in class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Close the prepared statement.
close() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Close the connection and all open statements.
close() - Method in interface org.grouplens.lenskit.eval.algorithm.RecommenderInstance
close() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
close() - Method in interface org.grouplens.lenskit.Recommender: Close the recommender session.
close() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor
close() - Method in class org.grouplens.lenskit.util.table.TableBuilder
close() - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: No-op close implementaiton.
close() - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
close() - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
close() - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Finish the table.
closeConnection - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
COL_EVENT_ID - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Event ID column number.
COL_ITEM_ID - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Item ID column number.
COL_RATING - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Rating column number.
COL_TIMESTAMP - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Timestamp column number.
COL_USER_ID - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: User ID column number.
collectionFromVector(SparseVector) - Static method in class org.grouplens.lenskit.scored.ScoredIds: View a vector as a FastCollection of ScoredId objects.
CollectionUtils - Class in org.grouplens.lenskit.collections: Various helper methods for working with collections (particularly Fastutil collections).
Column - Interface in org.grouplens.lenskit.util.table: A view of a column of a table.
column(int) - Method in interface org.grouplens.lenskit.util.table.Table: Get a column by index.
column(String) - Method in interface org.grouplens.lenskit.util.table.Table: Get a column by name.
columnIndex(String) - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the index of a particular column.
comparator() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
compareTo(List<? extends Long>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
CompressionMode - Enum in org.grouplens.lenskit.util.io
computeError(long, long, double, double, double, double, double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Compute the error in the current estimate of a rating.
computeIdMeans(double, double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute the means for each ID.
computeMeanRating(DataAccessObject) - Static method in class org.grouplens.lenskit.baseline.GlobalMeanPredictor: Utility method to compute the mean or average of the rating values contained in the given collection of ratings.
computeTrailingValue(int) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Compute the trailing value to assume after a feature.
computeUserAverage(SparseVector) - Method in class org.grouplens.lenskit.baseline.ItemUserMeanPredictor: Compute the mean offset in user rating from item mean rating.
ConfigDelegate - Annotation Type in org.grouplens.lenskit.eval.script: Specify a delegate class to be used to configure an object of the type to which this annotation is applied (typically either a builder or a task).
ConfigHelpers - Class in org.grouplens.lenskit.config: LensKit configuration helper utilities.
ConfigHelpers() - Constructor for class org.grouplens.lenskit.config.ConfigHelpers
ConfigMethodInvoker - Class in org.grouplens.lenskit.eval.script: Utilities for searching for methods of configurable objects.
ConfigMethodInvoker(EvalScriptEngine, EvalProject) - Constructor for class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
ConfigurationLoader - Class in org.grouplens.lenskit.config: Load LensKit configurations using the configuration DSL.
ConfigurationLoader() - Constructor for class org.grouplens.lenskit.config.ConfigurationLoader: Construct a new configuration loader.
ConfigurationLoader(ClassLoader) - Constructor for class org.grouplens.lenskit.config.ConfigurationLoader: Construct a new configuration loader.
configureAlgorithm(LenskitConfiguration) - Method in class org.grouplens.lenskit.test.CrossfoldTestSuite
connection - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
ConstantPredictor - Class in org.grouplens.lenskit.baseline: Rating scorer that predicts a constant rating for all items.
ConstantPredictor(double) - Constructor for class org.grouplens.lenskit.baseline.ConstantPredictor: Construct a new constant scorer.
ConstantPredictor.Value - Annotation Type in org.grouplens.lenskit.baseline: Parameter: the value used by the constant scorer.
contains(long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
contains(Object) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
contains(long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
containsAll(Collection<?>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
containsAll(LongCollection) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
containsKey(long) - Method in class org.grouplens.lenskit.vectors.SparseVector: Query whether the vector contains an entry for the key in question.
containsKey(long) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
containsType(Class<? extends Event>) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO: Query whether there may be any events of the specified type in this DAO.
containsValue(Object) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
ContextWrapper - Class in org.grouplens.lenskit.core: Wrap a Grapht context to make a LensKit context.
ContextWrapper(Context) - Constructor for class org.grouplens.lenskit.core.ContextWrapper: Construct a new wrapper around a Grapht context.
convertArrayToVector(double[]) - Method in interface org.grouplens.lenskit.util.Index: This method is used to convert arrays to sparse arrays.
convertArrayToVector(double[]) - Method in class org.grouplens.lenskit.util.Indexer
copy(E) - Method in class org.grouplens.lenskit.collections.CopyingFastCollection: Copy an element of the collection.
copy() - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Convenience method to copy a LensKit configuration.
copy(T) - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a copy of an object.
copy(E) - Method in class org.grouplens.lenskit.data.event.AbstractEventCursor: Deprecated.
This implementation will be removed in LensKit 2.0.
copy() - Method in interface org.grouplens.lenskit.data.Event: Deprecated.
Copy the event directly using an appropriate builder. This method was an overly-leaky abstraction. Events are immutable; if you have a mutable event, it is from a fast collection, and the client code or iterator implementation is responsible to know what to do.
copy() - Method in class org.grouplens.lenskit.data.event.MutableRating: Deprecated.
copy() - Method in interface org.grouplens.lenskit.data.event.Rating: Deprecated.
copy(Rating) - Static method in class org.grouplens.lenskit.data.event.RatingBuilder: Construct a new rating builder that is a copy of a particular rating.
copy() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating: Deprecated.
copy() - Method in class org.grouplens.lenskit.data.event.SimpleRating: Deprecated.
copy() - Method in class org.grouplens.lenskit.data.pref.IndexedPreference
copy(IndexedPreference) - Static method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Create a new preference builder initialized as a copy of a preference.
copy() - Method in class org.grouplens.lenskit.data.pref.Preference: Deprecated.
Use PreferenceBuilder.copy(Preference).
copy(Preference) - Static method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
copy() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
copy() - Method in class org.grouplens.lenskit.data.pref.SimplePreference
copy(TableLayout) - Static method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Construct a new builder that is a copy of an existing layout.
copy() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Copy the rating vector.
copyBuilder(Rating) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating builder initialized with the values of a rating.
CopyingFastCollection<E> - Class in org.grouplens.lenskit.collections: Abstract fast collection that implements CopyingFastCollection.iterator() in terms of FastCollection.fastIterator() and #copy(E).
CopyingFastCollection() - Constructor for class org.grouplens.lenskit.collections.CopyingFastCollection
CORATINGS_SYMBOL - Static variable in class org.grouplens.lenskit.slopeone.SlopeOneModel
CosineVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Cosine similarity for vectors.
CosineVectorSimilarity() - Constructor for class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity: Construct an undamped cosine similarity function.
CosineVectorSimilarity(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity: Construct a new cosine similarity function.
count(int, int) - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Count an occurrence.
countCommonKeys(SparseVector) - Method in class org.grouplens.lenskit.vectors.SparseVector: Count the common keys between two vectors.
CoveragePredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Simple evaluator that records user, rating and prediction counts and computes recommender coverage over the queried items.
CoveragePredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
create() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
create(DataAccessObject) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Create a recommender engine with a specified DAO.
create() - Method in interface org.grouplens.lenskit.data.dao.DAOFactory: Create a new DAO.
create() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.Factory
create() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.SoftFactory
create() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory
create() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory
create() - Method in interface org.grouplens.lenskit.RecommenderEngineFactory: Deprecated.

Create a new recommender engine.
create(ExecutorService) - Static method in class org.grouplens.lenskit.util.parallel.TaskGroupRunner
create(long...) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a mutable sparse vector with a fixed set of keys.
createDAOFactory() - Method in class org.grouplens.lenskit.test.ML100KTestSuite
createProject() - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Create a new eval project.
createTTFiles() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write train-test split files
CrossfoldTask - Class in org.grouplens.lenskit.eval.data.crossfold: The command to build and run a crossfold on the data source file and output the partition files
CrossfoldTask() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
CrossfoldTask(String) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
CrossfoldTestSuite - Class in org.grouplens.lenskit.test: A test suite that does cross-validation of an algorithm.
CrossfoldTestSuite() - Constructor for class org.grouplens.lenskit.test.CrossfoldTestSuite
CSVDataSource - Class in org.grouplens.lenskit.eval.data
CSVDataSourceBuilder - Class in org.grouplens.lenskit.eval.data: Command to return a CSV data source.
CSVDataSourceBuilder() - Constructor for class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
CSVDataSourceBuilder(String) - Constructor for class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
CSVDataSourceBuilder(File) - Constructor for class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
CSVWriter - Class in org.grouplens.lenskit.util.table.writer: Implementation of TableWriter for CSV files.
CSVWriter(Writer, TableLayout) - Constructor for class org.grouplens.lenskit.util.table.writer.CSVWriter: Construct a new CSV writer.
Cursor<T> - Interface in org.grouplens.lenskit.cursors: Cursors over data connections.
CursorIterator<T> - Class in org.grouplens.lenskit.cursors: Simple implementation of an Iterator that wraps a Cursor's data.
CursorIterator(Cursor<T>) - Constructor for class org.grouplens.lenskit.cursors.CursorIterator: Construct a new iterator from a cursor.
Cursors - Class in org.grouplens.lenskit.cursors: Utility methods for cursors.

D

dao - Variable in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender
dao - Variable in class org.grouplens.lenskit.basic.AbstractGlobalItemScorer: The DAO passed to the constructor.
dao - Variable in class org.grouplens.lenskit.basic.AbstractItemRecommender: The DAO provided at construct time.
dao - Variable in class org.grouplens.lenskit.basic.AbstractItemScorer: The DAO passed to the constructor.
dao - Variable in class org.grouplens.lenskit.basic.AbstractRatingPredictor: The DAO passed to the constructor.
DAOFactory - Interface in org.grouplens.lenskit.data.dao: Factory to create new DAOs.
daoFactory - Variable in class org.grouplens.lenskit.test.ML100KTestSuite
DATA_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
DataAccessException - Exception in org.grouplens.lenskit.data.dao: An error occurred during data access.
DataAccessException() - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(String) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(String, Throwable) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(Throwable) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessObject - Interface in org.grouplens.lenskit.data.dao: LensKit core data access object interface.
DatabaseAccessException - Exception in org.grouplens.lenskit.data.sql: A database error occurred in the database-backed DAO.
DatabaseAccessException() - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(String) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(String, Throwable) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(Throwable) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DataSource - Interface in org.grouplens.lenskit.eval.data: Data source for a single data set.
deduplicate(long[], int, int) - Static method in class org.grouplens.lenskit.collections.MoreArrays: Remove duplicate elements in the backing store.
DefaultConfigDelegate - Class in org.grouplens.lenskit.eval.script: Default Groovy delegate for configuring commands of evaluator components.
DefaultConfigDelegate(ConfigMethodInvoker, Object) - Constructor for class org.grouplens.lenskit.eval.script.DefaultConfigDelegate: Construct a new command delegate.
DefaultItemScoreAlgorithm - Class in org.grouplens.lenskit.knn.item: Default item scoring algorithm.
DefaultItemScoreAlgorithm(int) - Constructor for class org.grouplens.lenskit.knn.item.DefaultItemScoreAlgorithm
DefaultItemVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Default item vector normalizer that delegates to a generic VectorNormalizer.
DefaultItemVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer: Construct a new item vector normalizer that uses the identity normalization.
DefaultItemVectorNormalizer(VectorNormalizer) - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer: Construct a new item vector normalizer wrapping a generic vector normalizer.
defaultReturnValue(V) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
defaultTarget(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript
defaultTarget(Target) - Method in class org.grouplens.lenskit.eval.script.EvalScript
DefaultUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Default user vector normalizer that delegates to a generic VectorNormalizer.
DefaultUserVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Construct a new user vector normalizer that uses the identity normalization.
DefaultUserVectorNormalizer(VectorNormalizer) - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Construct a new user vector normalizer wrapping a generic vector normalizer.
delegate - Variable in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
delegate - Variable in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
DelimitedTextCursor - Class in org.grouplens.lenskit.util: Cursor that reads rows of delimited text from a scanner.
DelimitedTextCursor(BufferedReader, Pattern) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a cursor reading text from a scanner with a regex delimiter.
DelimitedTextCursor(BufferedReader, String) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a cursor reading text from a scanner with a fixed delimiter.
DelimitedTextCursor(File, String) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a delimited text cursor from a file.
DelimitedTextRatingCursor - Class in org.grouplens.lenskit.data.dao: Cursor that parses arbitrary delimited text.
DelimitedTextRatingCursor(BufferedReader) - Constructor for class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Construct a rating cursor from a reader.
DelimitedTextRatingCursor(BufferedReader, String, String) - Constructor for class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Construct a rating cursor from a reader.
desireIsTransient(Desire) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Determine whether a desire is transient.
DeviationDamping - Annotation Type in org.grouplens.lenskit.slopeone: Damping parameter for Slope-One deviations.
doFeatureIteration(TrainingEstimator, FastCollection<IndexedPreference>, double[], double[], double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Do a single feature iteration.
domain(Map<String, Object>) - Method in class org.grouplens.lenskit.config.BindingDSL: Make and bind a preference domain.
domain - Variable in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
domainSize - Variable in class org.grouplens.lenskit.vectors.TypedSideChannel
doSample(DataAccessObject, TableWriter, double, Random) - Method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Write a random subset of all objects chosen by mode to the output file.
dot(SparseVector) - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute the dot product between two vectors.
dot(Vec) - Method in class org.grouplens.lenskit.vectors.Vec: Compute the dot product of this vector with another.
DumpGraphTask - Class in org.grouplens.lenskit.eval.graph: Command to dump a graph.
DumpGraphTask() - Constructor for class org.grouplens.lenskit.eval.graph.DumpGraphTask
DumpGraphTask(String) - Constructor for class org.grouplens.lenskit.eval.graph.DumpGraphTask

E

edgeTail() - Static method in class org.grouplens.lenskit.core.GraphtUtils: Function to extract the tail of a node.
empty() - Static method in class org.grouplens.lenskit.cursors.Cursors: Create an empty cursor.
emptyFastCollection() - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Create an empty, immutable fast collection.
EntropyPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's prediction accuracy by computing the mutual information between the ratings and the prediction.
EntropyPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
equals(Object) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Compare two lists for equality.
equals(Object) - Method in class org.grouplens.lenskit.data.event.AbstractEvent
equals(Object) - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
equals(Object) - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer: All rating vector summarizers are equal.
equals(Object) - Method in class org.grouplens.lenskit.data.pref.Preference: Compare two preferences for equality.
equals(Object) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
equals(Object) - Method in class org.grouplens.lenskit.eval.ExecutionInfo
equals(Object) - Method in class org.grouplens.lenskit.scored.AbstractScoredId
equals(Object) - Method in class org.grouplens.lenskit.vectors.SparseVector
equals(Object) - Method in class org.grouplens.lenskit.vectors.Vec
ErrorThresholdStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop when absolute value of the error drops below a threshold.
ErrorThresholdStoppingCondition(double, int) - Constructor for class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Construct a new error threshold stop.
ErrorThresholdStoppingCondition(double) - Constructor for class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Create a new threshold stop with no minimum iteration count.
EVAL_SCRIPT_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
EVAL_SCRIPTFILES_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
EvalAntTask - Class in org.grouplens.lenskit.eval: Wrap an EvalTask as an Ant Task.
EvalAntTask(EvalTask<?>) - Constructor for class org.grouplens.lenskit.eval.EvalAntTask: Construct a new eval task wrapper.
EvalAntTask(EvalTask<?>, Iterable<? extends Future<?>>) - Constructor for class org.grouplens.lenskit.eval.EvalAntTask: Construct an Ant wrapper for an eval task.
EvalCLI - Class in org.grouplens.lenskit.eval.cli: Main entry point to run the evaluator from the command line
EvalCLI(EvalCLIOptions) - Constructor for class org.grouplens.lenskit.eval.cli.EvalCLI
EvalCLIOptions - Class in org.grouplens.lenskit.eval.cli: Parse & present command line options for running the evaluator.
EvalConfig - Class in org.grouplens.lenskit.eval: The class that represents the set of properties passed in to a Groovy evaluation script.
EvalConfig(Map) - Constructor for class org.grouplens.lenskit.eval.EvalConfig: Construct a new eval config using the specified properties.
EvalProject - Class in org.grouplens.lenskit.eval: An eval "project", the eval script equivalent of an Ant project.
EvalProject(Properties) - Constructor for class org.grouplens.lenskit.eval.EvalProject: Construct a new eval project.
EvalScript - Class in org.grouplens.lenskit.eval.script: Base class for evaluator configuration scripts.
EvalScript() - Constructor for class org.grouplens.lenskit.eval.script.EvalScript
evalScript(File) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Evaluate another script.
evalScript(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Evaluate another script.
EvalScriptEngine - Class in org.grouplens.lenskit.eval.script: Load and process configuration files.
EvalScriptEngine() - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalScriptEngine(ClassLoader) - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalScriptEngine(ClassLoader, Properties) - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalScriptMojo - Class in org.grouplens.lenskit.eval.maven: Run a LensKit evaluation script.
EvalScriptMojo() - Constructor for class org.grouplens.lenskit.eval.maven.EvalScriptMojo
EvalTarget - Class in org.grouplens.lenskit.eval: Targets in an evaluator project.
EvalTarget() - Constructor for class org.grouplens.lenskit.eval.EvalTarget
EvalTask<T> - Interface in org.grouplens.lenskit.eval: An evaluation task.
evaluate(TestUser) - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric.Accum
evaluate(TestUser) - Method in interface org.grouplens.lenskit.eval.metrics.TestUserMetricAccumulator: Evaluate the recommender output for a user.
evaluatePrediction(long, SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Post a prediction to the evaluation.
Event - Interface in org.grouplens.lenskit.data: An event in a user's history.
EventCollectionDAO - Class in org.grouplens.lenskit.data.dao: Data source backed by a collection of events.
EventCollectionDAO(Collection<? extends Event>) - Constructor for class org.grouplens.lenskit.data.dao.EventCollectionDAO: Construct a new data source from a collection of events.
EventCollectionDAO.Factory - Class in org.grouplens.lenskit.data.dao: Factory for creating event collection DAOs.
EventCollectionDAO.Factory(Collection<? extends Event>) - Constructor for class org.grouplens.lenskit.data.dao.EventCollectionDAO.Factory: Construct a new factory.
EventCollectionDAO.SoftFactory - Class in org.grouplens.lenskit.data.dao: Soft-caching factory for event collection DAOs.
EventCollectionDAO.SoftFactory(Supplier<? extends Collection<? extends Event>>) - Constructor for class org.grouplens.lenskit.data.dao.EventCollectionDAO.SoftFactory: Construct a new factory that memoizes the specifeid supplier.
EventCountUserHistorySummarizer - Class in org.grouplens.lenskit.data.history: Summarize a history by counting all events referencing an item.
EventCountUserHistorySummarizer() - Constructor for class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer: Create a summarizer that counts all events.
EventCountUserHistorySummarizer(Class<? extends Event>) - Constructor for class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer: Create a summarizer that counts events of a particular type.
Events - Class in org.grouplens.lenskit.data.event
EventType - Annotation Type in org.grouplens.lenskit.data.event: A type of event, such as events to count in a history summarizer.
eventTypeWanted() - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
eventTypeWanted() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
eventTypeWanted() - Method in interface org.grouplens.lenskit.data.history.UserHistorySummarizer: Get the supertype of all events required by this summarizer.
ExecHelpers - Class in org.grouplens.lenskit.util.parallel: Helper methods for working with futures and executor services.
execute() - Method in class org.grouplens.lenskit.eval.AbstractTask: Execute the task.
execute() - Method in class org.grouplens.lenskit.eval.EvalAntTask
execute() - Method in class org.grouplens.lenskit.eval.EvalTarget
execute() - Method in interface org.grouplens.lenskit.eval.EvalTask: Execute the task.
execute() - Method in class org.grouplens.lenskit.eval.maven.EvalScriptMojo
execute() - Method in class org.grouplens.lenskit.eval.maven.RScriptMojo: Deprecated.
execute() - Method in class org.grouplens.lenskit.eval.script.GroovyActionTask
executeTarget(String) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a target in the project.
executeTargets(String...) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a sequence of targets.
executeTargets(List<String>) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a sequence of targets.
ExecutionInfo - Class in org.grouplens.lenskit.eval: Bean containing information about a data set.
ExecutionInfo.Builder - Class in org.grouplens.lenskit.eval
ExecutionInfo.Builder() - Constructor for class org.grouplens.lenskit.eval.ExecutionInfo.Builder
ExternalAlgorithmInstance - Class in org.grouplens.lenskit.eval.algorithm: An algorithm instance backed by an external program.
ExternalAlgorithmInstance(String, Map<String, Object>, List<String>, File, String) - Constructor for class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
ExternalAlgorithmInstanceBuilder - Class in org.grouplens.lenskit.eval.algorithm: Command to get a algorithm instances.
ExternalAlgorithmInstanceBuilder() - Constructor for class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder
ExternalAlgorithmInstanceBuilder(String) - Constructor for class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder
extractClass(Class<T>, boolean) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass(Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass() - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass(boolean) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
ExtraMatchers - Class in org.grouplens.lenskit.util.test: Entry point for extra matchers used by LensKit tests.

F

fakeUsingHistory(boolean) - Method in class org.grouplens.lenskit.util.test.MockItemScorer.Builder: Set whether the item scorer will claim to use history.
fast(Iterable<E>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Use the fast iterator of an iterable, if available.
fast() - Method in class org.grouplens.lenskit.cursors.AbstractCursor
fast() - Method in interface org.grouplens.lenskit.cursors.Cursor: Convert the cursor to an iterable whose Iterator.next() method is implemented in terms of Cursor.fastNext().
fast() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return an iterable view of this vector using a fast iterator.
fast(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Return an iterable view of this vector using a fast iterator.
fastCollection(Collection<Long>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Get a Fastutil LongCollection from a Collection of longs.
FastCollection<E> - Interface in org.grouplens.lenskit.collections: Collection supporting fast iteration.
fastIntersect(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Iterate over the intersection of two vectors without the overhead of object creation.
fastIterator() - Method in interface org.grouplens.lenskit.collections.FastCollection: Return a fast iterator.
fastIterator() - Method in class org.grouplens.lenskit.vectors.SparseVector: Fast iterator over all set entries (it can reuse entry objects).
fastIterator(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Fast iterator over entries (it can reuse entry objects).
fastNext() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: Variant of Cursor.next() that may mutate and return the same object avoid excess allocations.
fastNext() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor
fastNext() - Method in interface org.grouplens.lenskit.cursors.Cursor: Variant of Cursor.next() that may mutate and return the same object avoid excess allocations.
fastPointer() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get a fast pointer over the set vector entries.
fastPointer(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get a fast pointer over the vector entries.
fastSet(Set<Long>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Get a Fastutil LongSet from a Set of longs.
fastUnion(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: A fast iterator version of Vectors.union(SparseVector, SparseVector).
FeatureCount - Annotation Type in org.grouplens.lenskit.mf.funksvd: The number of latent features to use in an SVD-based recommender.
featureCount - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: The feature count.
FeatureInfo - Class in org.grouplens.lenskit.mf.funksvd: Information about a feature.
FeatureInfo.Builder - Class in org.grouplens.lenskit.mf.funksvd: Helper class to build feature info.
FeatureInfo.Builder(int) - Constructor for class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Construct a new builder.
fill(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the values for all items in the key domain to value.
fill(double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Fill the vector with a value.
filter(Cursor<T>, Predicate<? super T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Filter a cursor.
filter(Cursor<?>, Class<T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Filter a cursor to only contain elements of type type.
filter(Class<T>) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory: Filter the user history to only contain elements of a particular type.
filter(Predicate<? super E>) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory: Filter the user history with a predicate.
filter(Class<T>) - Method in interface org.grouplens.lenskit.data.UserHistory: Filter the user history to only contain elements of a particular type.
filter(Predicate<? super E>) - Method in interface org.grouplens.lenskit.data.UserHistory: Filter the user history with a predicate.
filter(String, Object) - Method in interface org.grouplens.lenskit.util.table.Table
finalResults() - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric.Accum
finalResults() - Method in interface org.grouplens.lenskit.eval.metrics.TestUserMetricAccumulator: Finalize the evaluation and return the final values.
findDAONode(Graph) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Find the DAO node in a graph.
findIndex(long) - Method in class org.grouplens.lenskit.vectors.SparseVector: Find the index of a particular key.
findIndex(long) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Find the index of a particular key.
findNeighbors(UserHistory<? extends Event>, LongSet) - Method in interface org.grouplens.lenskit.knn.user.NeighborhoodFinder: Find neighboring users for particular items.
findNeighbors(UserHistory<? extends Event>, LongSet) - Method in class org.grouplens.lenskit.knn.user.SimpleNeighborhoodFinder: Find the neighbors for a user with respect to a collection of items.
findTypes(Iterable<? extends T>, Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Build the set of types implemented by the objects' classes.
finish() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Stop the test timer and finalize the evaluation results.
finish() - Method in class org.grouplens.lenskit.util.LogContext: Finish the context.
finish() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Accumulate the scores into a sorted scored list and reset the accumulator.
finish() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
finish() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
finishBuild() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Stop the algorithm's build timer.
finishEvaluation() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
finishEvaluation() - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Finish the evaluation, releasing any resources allocated for it.
finishEvaluation() - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
finishEvaluation() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
finishVector() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Accumulate the scores into a mutable sparse vector and reset the accumulator.
finishVector() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
finishVector() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
firstLong() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
force() - Method in class org.grouplens.lenskit.eval.EvalConfig: Query whether the script should run in “force” mode.
FORCE_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
forConfig(LenskitConfiguration) - Static method in class org.grouplens.lenskit.config.LenskitConfigDSL
forConfig(LenskitConfiguration, Class<? extends DataAccessObject>) - Static method in class org.grouplens.lenskit.core.RecommenderInstantiator
forConfig(LenskitConfiguration, DataAccessObject) - Static method in class org.grouplens.lenskit.core.RecommenderInstantiator
forUser(long, List<? extends E>) - Static method in class org.grouplens.lenskit.data.history.History: Create a history for a particular user.
FractionPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition a list by fraction.
FractionPartition(double) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.FractionPartition: The fraction to hold out (put in the second partition).
freeze() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Construct an immutable sparse vector from this vector's data, invalidating this vector in the process.
freeze() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Creates an immutable copy of this side channel.
fromString(String) - Static method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Parse a preference domain from a string specification.
frozen - Variable in class org.grouplens.lenskit.vectors.TypedSideChannel
Functional - Class in org.grouplens.lenskit.util: Functional-style utilities to go with Guava.
FunctionModelMetric - Class in org.grouplens.lenskit.eval.traintest: Model metric backed by an arbitrary function.
FunctionModelMetric(List<String>, Function<Recommender, List<Object>>) - Constructor for class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
FunctionMultiModelMetric - Class in org.grouplens.lenskit.eval.traintest: Model metric backed by an arbitrary function that returns multiple rows per algorithm.
FunctionMultiModelMetric(File, List<String>, Function<Recommender, List<List<Object>>>) - Constructor for class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
FunkSVDItemScorer - Class in org.grouplens.lenskit.mf.funksvd: Do recommendations and predictions based on SVD matrix factorization.
FunkSVDItemScorer(DataAccessObject, FunkSVDModel, FunkSVDUpdateRule) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer: Construct the item scorer.
FunkSVDModel - Class in org.grouplens.lenskit.mf.funksvd: The FunkSVD model class.
FunkSVDModel(int, double[][], double[][], ClampingFunction, Index, Index, BaselinePredictor, List<FeatureInfo>) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDModel
FunkSVDModelBuilder - Class in org.grouplens.lenskit.mf.funksvd: SVD recommender builder using gradient descent (Funk SVD).
FunkSVDModelBuilder(PreferenceSnapshot, FunkSVDUpdateRule, BaselinePredictor, int, double) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
FunkSVDRecommender - Class in org.grouplens.lenskit.mf.funksvd: Deprecated.
Just use TopNItemRecommender.
FunkSVDRecommender(DataAccessObject, FunkSVDItemScorer) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDRecommender: Deprecated.
FunkSVDUpdateRule - Class in org.grouplens.lenskit.mf.funksvd: Configuration for computing FunkSVD updates.
FunkSVDUpdateRule(double, double, boolean, BaselinePredictor, ClampingFunction, StoppingCondition) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Construct a new FunkSVD configuration.

G

GenericDataSource - Class in org.grouplens.lenskit.eval.data
GenericDataSource(String, DAOFactory) - Constructor for class org.grouplens.lenskit.eval.data.GenericDataSource
GenericDataSource(String, DAOFactory, PreferenceDomain) - Constructor for class org.grouplens.lenskit.eval.data.GenericDataSource
GenericTTDataBuilder - Class in org.grouplens.lenskit.eval.data.traintest
GenericTTDataBuilder() - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
GenericTTDataBuilder(String) - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
GenericTTDataSet - Class in org.grouplens.lenskit.eval.data.traintest: A train-test data set backed by a pair of factories.
GenericTTDataSet(String, DataSource, DataSource, PreferenceDomain, Map<String, Object>) - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
GenericTTDataSet(String, DAOFactory, DAOFactory, PreferenceDomain) - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet: Create a new generic data set.
get() - Method in class org.grouplens.lenskit.baseline.GlobalMeanPredictor.Builder
get() - Method in class org.grouplens.lenskit.baseline.ItemMeanPredictor.Builder
get() - Method in class org.grouplens.lenskit.baseline.ItemUserMeanPredictor.Builder
get() - Method in class org.grouplens.lenskit.baseline.LeastSquaresPredictor.Builder
get() - Method in class org.grouplens.lenskit.baseline.UserMeanPredictor.Builder
get() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor.Provider
get() - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender.Provider
get() - Method in class org.grouplens.lenskit.basic.TopNItemRecommender.Provider
get() - Method in class org.grouplens.lenskit.collections.AbstractIntPointer: Get the current value of the pointer.
get() - Method in interface org.grouplens.lenskit.collections.Pointer: Get the current value of the pointer.
get(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
get(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommender: Get a particular component from the recommender session.
get(int) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
get() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot.Provider
get(String, String) - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the value of a property.
get(String) - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the value of a property.
get(long, TimeUnit) - Method in class org.grouplens.lenskit.eval.EvalTarget
get() - Method in class org.grouplens.lenskit.eval.EvalTarget
get() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemModelBuilder
get() - Method in class org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder
get() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
get(int, int) - Method in class org.grouplens.lenskit.mf.funksvd.SparseMatrix
get(IndexedPreference) - Method in class org.grouplens.lenskit.mf.funksvd.TrainingEstimator: Get the estimate for a preference.
get() - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelBuilder: Constructs and returns a SlopeOneModel.
get() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer.Builder
get() - Method in class org.grouplens.lenskit.util.LazyValue: Get the value, computing it if necessary.
get() - Method in class org.grouplens.lenskit.util.SoftLazyValue: Get the value, computing it if necessary.
get(long) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for key.
get(long, double) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for key.
get(VectorEntry) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for the entry's key.
get(long) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
get(int) - Method in class org.grouplens.lenskit.vectors.Vec: Get the value from the vector at the specified position.
getAction() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getAlgoAttributes() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the algorithm attributes.
getAlgoName() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the algorithm name.
getAlgorithm() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getAlgorithm() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getAnalysisDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the analysis directory for this evaluation.
getAnt() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the Ant builder.
getAnt() - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
getAntProject() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the Ant project from this eval project.
getAntProject() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the Ant project.
getArgs() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getAttributes() - Method in interface org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Get the attributes associated with this algorithm instance.
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Get the attributes of this algorithm instance.
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Get the attributes of this algorithm instance.
getAttributes() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
getAttributes() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getAttributes() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the data set attributes (used for identification in output).
getAverage() - Method in class org.grouplens.lenskit.util.statistics.AverageAccumulator
getBaseline() - Method in class org.grouplens.lenskit.baseline.BaselineItemScorer: Get the baseline predictor under this scorer.
getBaseline() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The baseline predictor used to build this model.
getBaselinePredictor() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the baseline predictor.
getBuilderForType(Class<T>) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Get a command for a type.
getCache() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Get whether the constructed data source will cache its input.
getChannels() - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine the symbols associated with all side channels of a ScoredId.
getChannels() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getChannels() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getChannels() - Method in class org.grouplens.lenskit.vectors.SparseVector: Retrieve all symbols that map to side channels for this vector.
getClampingFunction() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The clamping function used to build this model.
getClampingFunction() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getClassLoader(ClassLoader) - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getClassLoader() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getColumnCount() - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the number of columns in this layout.
getColumnCount() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Get the number of columns currently in the layout.
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
getColumnLabels() - Method in interface org.grouplens.lenskit.eval.metrics.TestUserMetric: Get labels for the aggregate columns output by this evaluator.
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
getColumnLabels() - Method in interface org.grouplens.lenskit.eval.traintest.ModelMetric: Get the headers of the columns returned by this metric.
getColumns() - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the headers of the columns.
getCommand() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
getComparator(SortOrder) - Static method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get a comparator for a particular sort order.
getConfig() - Method in class org.grouplens.lenskit.config.LenskitConfigDSL: Get the LensKit configuration being configured.
getConfig() - Method in class org.grouplens.lenskit.config.LenskitConfigScript
getConfig() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Get the configuration underlying this factory.
getConfig() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
getConfig() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder
getConfig() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the (legacy) configuration view of this project.
getConfig() - Method in class org.grouplens.lenskit.eval.script.EvalScript
getContext() - Method in class org.grouplens.lenskit.config.BindingDSL: Get the LensKit context.
getCoratings(long, long) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModel
getCount(PreparedStatement) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Extract a count from a prepared statement.
getCount() - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the number of discrete values the output can take.
getCount() - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getCount() - Method in class org.grouplens.lenskit.util.statistics.AverageAccumulator
getCount() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the number of events.
getCurrentEvaluation() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: Get the current evaluation, or null none is in progress.
getDamping() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Get the damping term.
getDAO() - Method in interface org.grouplens.lenskit.eval.algorithm.RecommenderInstance: Get the DAO backing the recommender (the training DAO).
getDAOFactory() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Get the DAO factory.
getDAOFactory() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
getDAOFactory() - Method in interface org.grouplens.lenskit.eval.data.DataSource: Get a DAO factory for this data source.
getDAOFactory() - Method in class org.grouplens.lenskit.eval.data.GenericDataSource
getDaoType() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getDataAccessObject() - Method in class org.grouplens.lenskit.core.LenskitRecommender: Get the DAO for this recommender session.
getDataAttributes() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the data set attributes.
getDataDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the data directory for this evaluation.
getDataName() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the data set name.
getDefaultExcludes(LongSet) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Get the default exclude set for a item in the global recommendation.
getDefaultExcludes(long) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Get the default exclude set for a user.
getDefaultExcludes(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Get the default exclude set for a user.
getDefaultTarget() - Method in class org.grouplens.lenskit.eval.EvalProject
getDelegate() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity: Get the underlying similarity (for debuggin purposes).
getDelimiter() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory
getDelimiter() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
getDelimiter() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Get the input delimiter.
getDeps(Object) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
getDeviation(long, long) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModel
getDomain() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
getDomain() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getElements(int, long[], int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
getElements(int, long[], double[], int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
getElements(int, long[], double[], int, int) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Copies elements into the given arrays.
getEngine() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the engine in use for this script.
getEval() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the evaluator script.
getEvalConfig() - Method in class org.grouplens.lenskit.eval.AbstractTask: Deprecated.
Use EvalProject.getConfig() directly.
getEvalConfig() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator
getEvalTask() - Method in class org.grouplens.lenskit.eval.EvalAntTask
getEvents(SortOrder) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all events with a specified sort order.
getEvents(Class<E>) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all events of a particular type.
getEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all events of a particular type with a specified sort order.
getEvents() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events from the data set.
getEvents(SortOrder) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events with a specified sort order.
getEvents(Class<E>) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events of a particular type.
getEvents(Class<E>, SortOrder) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events of a particular type with a specified sort order.
getEvents() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getEvents() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO
getEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO
getEvents() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEvents(SortOrder) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getFactory() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate: Deprecated.
getFactory() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Deprecated.
Use LenskitAlgorithmInstanceBuilder.getConfig() instead.
getFeature() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Get the feature's number.
getFeature() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the feature number.
getFeatureCount() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get the model's feature count.
getFeatureInfo(int) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get the FeatureInfo for a particular feature.
getFeatureInfo() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get the metadata about all features.
getFile() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO
getFile() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
getFile() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Get the input file.
getFiles(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the list of files satisfying the specified name pattern
getForce() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getFraction() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the size of file.
getGlobalItemRecommender() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getGlobalItemRecommender() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's global item recommender.
getGlobalItemScorer() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getGlobalItemScorer() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's global item scorer.
getGlobalVariance() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Get the global variance.
getGraph() - Method in class org.grouplens.lenskit.core.RecommenderInstantiator: Get the graph from this instantiator.
getHistory() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Deprecated.
use TestUser.getTrainHistory()
getHoldout() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getId() - Method in interface org.grouplens.lenskit.data.Event: Get the event's ID.
getId() - Method in class org.grouplens.lenskit.data.event.MutableRating
getId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the event ID.
getId() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating
getId() - Method in class org.grouplens.lenskit.data.event.SimpleRating
getId() - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the numerical identifier of this ScoredId.
getId(int) - Method in interface org.grouplens.lenskit.util.Index: Get the key for an index.
getId(int) - Method in class org.grouplens.lenskit.util.Indexer
getIdColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the column of the event ID in the rating table.
getIds() - Method in interface org.grouplens.lenskit.util.Index: Get the list of IDs.
getIds() - Method in class org.grouplens.lenskit.util.Indexer
getIndex() - Method in class org.grouplens.lenskit.data.pref.IndexedPreference: Get the preference index.
getIndex() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getIndex(long) - Method in interface org.grouplens.lenskit.util.Index: Get the index of an id.
getIndex(long) - Method in class org.grouplens.lenskit.util.Indexer
getIndexValue(int) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the value corresponding to a quantized value, based on the index into the list of possible values.
getIndexValue(int) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getInitialGraph(Class<? extends DataAccessObject>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
Use LenskitConfiguration.buildGraph(Class).
getInputData() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getInstantiatedGraph(Class<? extends DataAccessObject>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
Use RecommenderInstantiator.simulate().
getInt() - Method in class org.grouplens.lenskit.collections.BitSetPointer
getInt(int) - Method in class org.grouplens.lenskit.collections.IntIntervalList
getInt() - Method in interface org.grouplens.lenskit.collections.IntPointer: Get the integer at the pointer's current location.
getItemAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getItemAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the item average value of this feature.
getItemColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the item ID column in the rating table.
getItemCount() - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject
getItemCount() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get the number of items in the system.
getItemCount() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getItemCount() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The number of items.
getItemEvents(long) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all events related to the specified item.
getItemEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all ratings for the specified item.
getItemEvents(long) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events related to the specified item.
getItemEvents(long, Class<E>) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all ratings for the specified item.
getItemEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getItemEvents(long) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getItemEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getItemFeature(long, int) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get a particular feature value for an item.
getItemFeatures() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Deprecated.
getItemId() - Method in interface org.grouplens.lenskit.data.Event: Get the item ID.
getItemId() - Method in class org.grouplens.lenskit.data.event.MutableRating
getItemId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the item ID.
getItemId() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating
getItemId() - Method in class org.grouplens.lenskit.data.event.SimpleRating
getItemId() - Method in class org.grouplens.lenskit.data.pref.Preference: Get the ID of the item the preference is for.
getItemId() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getItemId() - Method in class org.grouplens.lenskit.data.pref.SimplePreference
getItemIds() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getItemIds() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the set of item IDs in the snapshot.
getItemIds() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
getItemIndex() - Method in class org.grouplens.lenskit.data.pref.IndexedPreference: Get the item index.
getItemIndex() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getItemIndex() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The item index.
getItemPairIterator() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Returns an Iterator over all item vector pairs.
getItemPairs() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Provides an Iterable over ItemVecPairs
getItemRecommender() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getItemRecommender() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's item recommender.
getItems() - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Retrieve the items from the data source.
getItems() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Retrieve the items from the data source.
getItems() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getItems() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Get the set of items.
getItemScorer() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getItemScorer() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's item scorer.
getItemUniverse() - Method in interface org.grouplens.lenskit.knn.item.model.ItemItemModel: Get the set of all items in the model.
getItemUniverse() - Method in class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel
getIterationCount() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition: Get the number of iterations the stopper requires.
getIterationCount() - Method in interface org.grouplens.lenskit.iterative.TrainingLoopController: Get the current iteration count.
getIterCount() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the iteration count for the feature.
getKey() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the key at this entry.
getKey() - Method in class org.grouplens.lenskit.vectors.Vectors.EntryPair: Deprecated.

Get the pair's key.
getLastDeltaRMSE() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the last delta RMSE of the feature.
getLastRMSE() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the last training RMSE of the feature.
getLayout() - Method in class org.grouplens.lenskit.eval.maven.MavenLogAppender
getLayout() - Method in interface org.grouplens.lenskit.util.table.Table: Get the layout of this table.
getLayout() - Method in class org.grouplens.lenskit.util.table.TableBuilder
getLayout() - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
getLayout() - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
getLayout() - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Get the layout of this table.
getLearningRate() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getLineNumber() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor: Return the number of the line returned by the last call to AbstractPollingCursor.next().
getLong(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
getMasterLayout() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Get the master table layout.
getMaximum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The maximum preference value.
getMaximum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the maximum preference.
getMinimum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The minimum preference value.
getMinimum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the minimum preference.
getMinimumIterations() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Get the minimum iteration count.
getMinimumIterations() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Get the minimum iteration count.
getMode() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the mode of the subsample.
getModel() - Method in interface org.grouplens.lenskit.knn.item.ItemItemModelBackedGlobalScorer: Get the item-item model backing this scorer.
getModel() - Method in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
getMutualInformation() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the mutual information.
getName() - Method in class org.grouplens.lenskit.eval.AbstractTask: Get the task's name.
getName() - Method in interface org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Get the name of this algorithm instance.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getName() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
getName() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Get the algorithm name.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance: Get the name of this algorithm.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Get the algorithm name.
getName() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the visible name of this crossfold split.
getName() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
getName() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
getName() - Method in interface org.grouplens.lenskit.eval.data.DataSource: Get the data source name.
getName() - Method in class org.grouplens.lenskit.eval.data.GenericDataSource
getName() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
getName() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getName() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the data set name.
getName() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getName() - Method in class org.grouplens.lenskit.symbols.Symbol: Get the name for a symbol.
getName() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the name for a symbol.
getNeighbors(long) - Method in interface org.grouplens.lenskit.knn.item.model.ItemItemModel: Get the neighbors of an item scored by similarity.
getNeighbors(long) - Method in class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel
getNormalizer() - Method in class org.grouplens.lenskit.knn.item.ItemItemScorer
getNumRecs() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getObjectCount() - Method in interface org.grouplens.lenskit.util.Index: Get the number of ID in the index.
getObjectCount() - Method in class org.grouplens.lenskit.util.Indexer
getOrder() - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
getOutput() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the output name of subsample file.
getOutput() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getPartitionCount() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the number of folds.
getPartitionMethod() - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
getPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The precision of preference values.
getPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the preference precision.
getPredictableItems(long) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Determine the items for which predictions can be made for a certain user.
getPredictions(long, LongSet) - Method in interface org.grouplens.lenskit.eval.algorithm.RecommenderInstance: Get a user's predictions.
getPredictions() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Get the user's predictions.
getPreference() - Method in class org.grouplens.lenskit.data.event.MutableRating
getPreference() - Method in interface org.grouplens.lenskit.data.event.Rating: Get the expressed preference.
getPreference() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating
getPreference() - Method in class org.grouplens.lenskit.data.event.SimpleRating
getPreferenceDomain() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the preference domain.
getPreferenceDomain() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
getPreferenceDomain() - Method in interface org.grouplens.lenskit.eval.data.DataSource: Get the preference domain of this data source.
getPreferenceDomain() - Method in class org.grouplens.lenskit.eval.data.GenericDataSource
getPreferenceDomain() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getPreferenceDomain() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the preference domain for this data set.
getPreferenceDomain() - Method in class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance: Query whether this algorithm is to operate on in-memory data.
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Get whether this algorithm will require ratings to be pre-loaded.
getProject() - Method in class org.grouplens.lenskit.eval.AbstractTask
getProject() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the eval project configured by this script.
getProperties() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getProperty(String) - Method in class org.grouplens.lenskit.eval.EvalProject: Get a property value.
getRandom() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the project's random number generator.
getRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the rating.
getRatingColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the rating column in the rating table.
getRatingDataAccessObject() - Method in class org.grouplens.lenskit.core.LenskitRecommender: Deprecated.
Use LenskitRecommender.getDataAccessObject().
getRatingPredictor() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getRatingPredictor() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's rating scorer.
getRatings() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getRatings() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the collection of ratings in the snapshot.
getRatings() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
getRawCommand() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Provides raw unrestricted access for the command.
getRecommendations(long, LongSet, int) - Method in interface org.grouplens.lenskit.eval.algorithm.RecommenderInstance: Get the user's recommendations.
getRecommendations() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Get the user's recommendations.
getRecommender() - Method in interface org.grouplens.lenskit.eval.algorithm.RecommenderInstance: Get the recommender, if this instance has one.
getRowCount() - Method in class org.grouplens.lenskit.cursors.AbstractCursor
getRowCount() - Method in interface org.grouplens.lenskit.cursors.Cursor: Get an upper bound on the number of rows available from the cursor.
getScore(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
getScore(int) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Get the score for the item at a position.
getScore() - Method in interface org.grouplens.lenskit.collections.ScoredLongListIterator: Get the score of the last item returned by a call to ListIterator.previous() or ListIterator.next().
getScore() - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the score of this ScoredId.
getScoreableItems(Collection<Long>) - Method in interface org.grouplens.lenskit.knn.item.ItemItemModelBackedGlobalScorer: Get the set of scoreable items for a basket of items.
getScorer() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the backing scorer.
getScorer() - Method in class org.grouplens.lenskit.basic.TopNItemRecommender
getScript() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the script for this evaluation.
getScriptDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the data directory for this evaluation.
getScriptFile() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getSingularValue() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getSingularValue() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the singular value of this feature.
getSource() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the data source backing this crossfold manager.
getSource() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the data source backing this subsample manager.
getSplitUsers() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getStoppingCondition() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getSupportedSourceVersion() - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
getSymbol() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the symbol.
getTableName() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the rating table.
getTestData() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTestFactory() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTestFactory() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the test data.
getTestHistory() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Return this user's test history.
getTestPattern() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getTestRatings() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Get the user's test ratings.
getThreadCount() - Method in class org.grouplens.lenskit.eval.EvalConfig
getThreshold() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Get the stopper's threshold.
getThreshold() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Get the stopper's threshold.
getTimestamp() - Method in interface org.grouplens.lenskit.data.Event: Get the event timestamp.
getTimestamp() - Method in class org.grouplens.lenskit.data.event.MutableRating
getTimestamp() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the timestamp.
getTimestamp() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating
getTimestamp() - Method in class org.grouplens.lenskit.data.event.SimpleRating
getTimestampColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the timestamp column in the rating table (or null if there is no timestamp column).
getTrainData() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTrainFactory() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTrainFactory() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the training data.
getTrainHistory() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Return this user's training history.
getTrainingErrors() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the training error for each iteration.
getTrainingLoopController() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getTrainingRegularization() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getTrainPattern() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getTTFiles() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the train-test splits as data sets.
getType() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the type for a typed symbol.
getTypedChannels() - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine the typed symbols associated with all typed side channels of a ScoredId.
getTypedChannels() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getTypedChannels() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getTypedChannels() - Method in class org.grouplens.lenskit.vectors.SparseVector: Retrieve all symbols that map to typed side channels for this vector.
getUpdateRule() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
getUserAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getUserAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the user average value of this feature.
getUserColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the user ID column in the rating table.
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
getUserColumnLabels() - Method in interface org.grouplens.lenskit.eval.metrics.TestUserMetric: Get labels for the per-user columns output by this evaluator.
getUserCount() - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject
getUserCount() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get the number of users in the system.
getUserCount() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getUserCount() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The number of users.
getUserEvents(long) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all events for the specified user.
getUserEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get events of a particular type for the specified user.
getUserEvents(long) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all events for the specified user.
getUserEvents(long, Class<E>) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get events of a particular type for the specified user.
getUserEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getUserEvents(long) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getUserEvents(long, Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getUserFeature(long, int) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get a particular feature value for an user.
getUserFeatures() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Deprecated.
getUserHistories() - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all user event histories from the system.
getUserHistories(Class<E>) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get all user event histories from the system, filtering events by type.
getUserHistories() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all user event histories from the system.
getUserHistories(Class<E>) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get all user event histories from the system, filtering events by type.
getUserHistories() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getUserHistories(Class<E>) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getUserHistory(long) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Get the history for the specified user.
getUserHistory(long) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Get the user's history.
getUserHistory(long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Get the user's history.
getUserHistory(long) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get the user history for a user.
getUserHistory(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Get the user history for a user filtered by type.
getUserHistory(long) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get the user history for a user.
getUserHistory(long, Class<E>) - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Get the user history for a user filtered by type.
getUserId() - Method in interface org.grouplens.lenskit.data.Event: Get the ID of the user responsible for the event.
getUserId() - Method in class org.grouplens.lenskit.data.event.MutableRating
getUserId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the user ID.
getUserId() - Method in class org.grouplens.lenskit.data.event.SimpleNullRating
getUserId() - Method in class org.grouplens.lenskit.data.event.SimpleRating
getUserId() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
getUserId() - Method in class org.grouplens.lenskit.data.pref.Preference: Get the ID of the user whose preference this is.
getUserId() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getUserId() - Method in class org.grouplens.lenskit.data.pref.SimplePreference
getUserId() - Method in interface org.grouplens.lenskit.data.UserHistory: Retrieve the user ID.
getUserId() - Method in class org.grouplens.lenskit.eval.traintest.TestUser: Get the ID of this user.
getUserIds() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getUserIds() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the set of user IDs in the snapshot.
getUserIds() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
getUserIndex() - Method in class org.grouplens.lenskit.data.pref.IndexedPreference: Get the user index.
getUserIndex() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getUserIndex() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: The user index.
getUserRatings(long) - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getUserRatings(long) - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the ratings for a particular user.
getUserRatings(long) - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
getUsers() - Method in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Retrieve the users from the data source.
getUsers() - Method in interface org.grouplens.lenskit.data.dao.DataAccessObject: Retrieve the users from the data source.
getUsers() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
getUsers() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getV1Entropy() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the entropy of the first variable.
getV2Entropy() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the entropy of the second variable.
getValue() - Method in class org.grouplens.lenskit.data.pref.Preference: Get the preference value.
getValue() - Method in class org.grouplens.lenskit.data.pref.SimpleIndexedPreference
getValue() - Method in class org.grouplens.lenskit.data.pref.SimplePreference
getValue(int) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Deprecated.
Use Quantizer.getIndexValue(int i)
getValue(int) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: Deprecated.
getValue() - Method in class org.grouplens.lenskit.transform.threshold.RealThreshold: Get the threshold value.
getValue() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the value at this entry.
getValue1() - Method in class org.grouplens.lenskit.vectors.Vectors.EntryPair: Deprecated.

Get the first vector's value.
getValue2() - Method in class org.grouplens.lenskit.vectors.Vectors.EntryPair: Deprecated.

Get the second vector's value.
getValues() - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the possible values into which this quantizer will map input values.
getValues() - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getVector() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the sparse vector associated with this entry.
getVectorNormalizer() - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Get the delegate vector normalizer.
getWrapper() - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder
getWriteFile() - Method in class org.grouplens.lenskit.eval.TrainModelTask
glob(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Performs a file search based upon the parameter glob pattern.
glob(String, String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Performs a file search based upon the parameter glob pattern.
GlobalItemRecommender - Interface in org.grouplens.lenskit: The interface for recommendation based on the items only.
GlobalItemScorer - Interface in org.grouplens.lenskit: Score items for given item(s).
globalMean() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Get the global mean.
GlobalMeanPredictor - Class in org.grouplens.lenskit.baseline: Rating scorer that predicts the global mean rating for all items.
GlobalMeanPredictor(double) - Constructor for class org.grouplens.lenskit.baseline.GlobalMeanPredictor: Construct a new global mean scorer where it is assumed that the given value is the global mean.
GlobalMeanPredictor.Builder - Class in org.grouplens.lenskit.baseline: A default builder used to create GlobalMeanPredictors.
GlobalMeanPredictor.Builder(DataAccessObject) - Constructor for class org.grouplens.lenskit.baseline.GlobalMeanPredictor.Builder: Construct a new provider.
GlobalRatingPredictor - Interface in org.grouplens.lenskit: Deprecated.
It's unclear that this is useful, and it has not been refactored to match RatingPredictor.
globalRecommend(Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend all possible items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, int) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend up to n items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend all possible items for a basket of items from a set of candidates using the default exclude set.
globalRecommend(Set<Long>, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Produce a set of recommendations for the item.
globalRecommend(LongSet, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Implementation method for global item recommendation.
globalRecommend(LongSet, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Implement the ID-based recommendation in terms of the scorer.
globalRecommend(Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend all possible items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, int) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend up to n items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend all possible items for a basket of items from a set of candidates using the default exclude set.
globalRecommend(Set<Long>, int, Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Produce a set of recommendations for the item.
globalScore(Collection<Long>, long) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemScorer: Score a single item based on a collection of items(a shopping basket).
globalScore(Collection<Long>, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemScorer
globalScore(Collection<Long>, long) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score a single item based on a collection of items(a shopping basket).
globalScore(Collection<Long>, Collection<Long>) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score a collection of items based on a collection of items(a shopping basket).
globalScore(Collection<Long>, MutableSparseVector) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score items in a vector based on a collection of items (a shopping basket).
globalScore(Collection<Long>, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
GraphtUtils - Class in org.grouplens.lenskit.core: Helper utilities for Grapht integration.
GroovyActionTask - Class in org.grouplens.lenskit.eval.script: A basic Ant task that executes a Groovy action.
GroovyActionTask(Closure<?>) - Constructor for class org.grouplens.lenskit.eval.script.GroovyActionTask
GroovyUtils - Class in org.grouplens.lenskit.config: Support utilities for LensKit's use of Groovy.
GroovyUtils() - Constructor for class org.grouplens.lenskit.config.GroovyUtils

H

hasChannel(Symbol) - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine if a ScoredId has a specific channel.
hasChannel(TypedSymbol<?>) - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine if a ScoredId has a specific typed channel.
hasChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
hasChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
hasChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.SparseVector: Return whether this sparse vector has a channel stored under a particular symbol.
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.SparseVector: Return whether this sparse vector has a typed channel stored under a particular typed symbol.
hashCode() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
hashCode() - Method in class org.grouplens.lenskit.data.event.AbstractEvent
hashCode() - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
hashCode() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
hashCode() - Method in class org.grouplens.lenskit.data.pref.Preference
hashCode() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
hashCode() - Method in class org.grouplens.lenskit.eval.ExecutionInfo
hashCode() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
hashCode() - Method in class org.grouplens.lenskit.vectors.SparseVector
hashCode() - Method in class org.grouplens.lenskit.vectors.Vec
hasNext() - Method in class org.grouplens.lenskit.collections.BitSetIterator
hasNext() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor
hasNext() - Method in interface org.grouplens.lenskit.cursors.Cursor: Query whether the cursor has any more items.
hasNext() - Method in class org.grouplens.lenskit.cursors.CursorIterator
hasPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Query whether this preference domain has a precision.
hasPrevious() - Method in class org.grouplens.lenskit.collections.BitSetIterator
hasRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Query whether this builder has a rating.
headSet(long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
helper - Variable in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
History - Class in org.grouplens.lenskit.data.history: Utility methods for user histories.
HLUtilityPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict
HLUtilityPredictMetric(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
HLUtilityPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
HLUtilityPredictMetric.Accum - Class in org.grouplens.lenskit.eval.metrics.predict
HLUtilityPredictMetric.Accum() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric.Accum
Holdout - Class in org.grouplens.lenskit.eval.data.crossfold: A train-test holdout method.
Holdout(Order<Rating>, PartitionAlgorithm<Rating>) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.Holdout
HoldoutNPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition the last part of list by holding out a fixed number of elements.
HoldoutNPartition(int) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.HoldoutNPartition: Create a count partitioner.

I

IdentityClampingFunction - Class in org.grouplens.lenskit.transform.clamp: Identity clamping function.
IdentityClampingFunction() - Constructor for class org.grouplens.lenskit.transform.clamp.IdentityClampingFunction
IdentityVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Identity normalization (makes no change).
IdentityVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.IdentityVectorNormalizer
IdMeanAccumulator - Class in org.grouplens.lenskit.util: An accumulator for means associated with IDs.
IdMeanAccumulator() - Constructor for class org.grouplens.lenskit.util.IdMeanAccumulator
idMeanOffsets(double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute mean offsets for each item.
idMeanOffsets() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute offsets from the global mean for each ID.
idMeans() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Get the per-ID means.
immutable() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
immutable() - Method in class org.grouplens.lenskit.vectors.ImmutableVec
immutable() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
immutable(boolean) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Construct an immutable sparse vector from this vector's data.
immutable() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return an immutable snapshot of this sparse vector.
immutable() - Method in class org.grouplens.lenskit.vectors.Vec: Get an immutable vector with this vector's contents.
immutableCopy() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Creates an immutable copy of this side channel.
ImmutableSparseVector - Class in org.grouplens.lenskit.vectors: Immutable sparse vectors.
ImmutableSparseVector() - Constructor for class org.grouplens.lenskit.vectors.ImmutableSparseVector: Create a new, empty immutable sparse vector.
ImmutableSparseVector(Long2DoubleMap) - Constructor for class org.grouplens.lenskit.vectors.ImmutableSparseVector: Create a new immutable sparse vector from a map of ratings.
ImmutableSparseVector(long[], double[]) - Constructor for class org.grouplens.lenskit.vectors.ImmutableSparseVector: Construct a new vector from existing arrays.
ImmutableSparseVector(long[], double[], int) - Constructor for class org.grouplens.lenskit.vectors.ImmutableSparseVector: Construct a new sparse vector from pre-existing arrays.
ImmutableVec - Class in org.grouplens.lenskit.vectors: Immutable Vec.
in(Class<?>) - Method in class org.grouplens.lenskit.core.AbstractConfigContext: Deprecated.
in(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.AbstractConfigContext: Deprecated.
in(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.AbstractConfigContext: Deprecated.
in(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
in(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
in(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
include(Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Use a closure as additional configuration
include(Module) - Method in class org.grouplens.lenskit.config.BindingDSL: Include a module in this configuration.
index(double) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Convert a value into a discrete, quantized value.
index(double) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
Index - Interface in org.grouplens.lenskit.util: An index mapping long IDs to consecuitive 0-based integers.
IndexedPreference - Class in org.grouplens.lenskit.data.pref: A Preference that also provides 0-based indices for the user, item, and itself.
IndexedPreference() - Constructor for class org.grouplens.lenskit.data.pref.IndexedPreference
IndexedPreferenceBuilder - Class in org.grouplens.lenskit.data.pref: Build an indexed preference.
IndexedPreferenceBuilder() - Constructor for class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder
Indexer - Class in org.grouplens.lenskit.util: Build contiguous 0-based indexes for long IDs.
Indexer() - Constructor for class org.grouplens.lenskit.util.Indexer: Construct a new empty indexer.
indexOf(long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
indexOf(Object) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
init(ProcessingEnvironment) - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
InitialFeatureValue - Annotation Type in org.grouplens.lenskit.mf.funksvd: The initial value for each feature.
initialValue - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
INPUT_FILE_NAME - Variable in class org.grouplens.lenskit.test.ML100KTestSuite
instantiate() - Method in class org.grouplens.lenskit.core.RecommenderInstantiator: Instantiate the recommender graph.
internId(long) - Method in class org.grouplens.lenskit.util.Indexer: Get an index for an ID, generating a new one if necessary.
intersect(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Iterate over the intersection of two vectors - they keys they have in common.
IntIntervalList - Class in org.grouplens.lenskit.collections: Efficient representation of intervals as an integer list.
IntIntervalList(int) - Constructor for class org.grouplens.lenskit.collections.IntIntervalList: Create the half-open interval [0,size).
IntIntervalList(int, int) - Constructor for class org.grouplens.lenskit.collections.IntIntervalList: Create the half-open interval [start,end).
IntPointer - Interface in org.grouplens.lenskit.collections: A pointer over integers.
invokeConfigurationMethod(Object, String, Object...) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
invokeMethod(Method, Object) - Static method in class org.grouplens.lenskit.util.Functional
isAtEnd() - Method in class org.grouplens.lenskit.collections.BitSetPointer
isAtEnd() - Method in interface org.grouplens.lenskit.collections.Pointer: Query whether the pointer has reached its endpoint.
isCancelled() - Method in class org.grouplens.lenskit.eval.EvalTarget
isCompressed(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Query whether this filename represents a compressed file.
isDAONode(Node) - Static method in class org.grouplens.lenskit.core.GraphtUtils
isDone() - Method in class org.grouplens.lenskit.eval.EvalTarget
isEmpty() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
isEmpty() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Query whether the accumulator is empty.
isEmpty() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
isEmpty() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
isEmpty() - Method in class org.grouplens.lenskit.vectors.SparseVector: Query whether this vector is empty.
isFinished(int, double) - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Deprecated.
isFinished(int, double) - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition: Deprecated.
isFinished(int, double) - Method in interface org.grouplens.lenskit.iterative.StoppingCondition: Deprecated.
The newLoop() should be used instead
isFinished(int, double) - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Deprecated.
isSet() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Query whether this entry is set.
isShareable(Node) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Determine if a node is a shareable component.
isSnapshotting() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Query whether this factory takes in-memory snapshots.
isSorted(long[], int, int) - Static method in class org.grouplens.lenskit.collections.MoreArrays: Check that the array is sorted.
isSparse() - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Query whether this similarity is sparse.
isSparse() - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
isSparse() - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Query whether this similarity is sparse.
isSparse() - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
isSparse() - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Query whether this similarity function is sparse (returns 0 for vectors with disjoint key sets).
isSubclass(Class<?>) - Static method in class org.grouplens.lenskit.util.TypeUtils
isSymmetric() - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Query whether this similarity is symmetric.
isSymmetric() - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
isSymmetric() - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Query whether this similarity is symmetric.
isSymmetric() - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
isSymmetric() - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Query whether this similarity function is symmetric.
isUpToDate() - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Query if the output is up to date.
isUpToDate(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Query if a particular output is up to date.
item - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
ITEM_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two item events by item, then timestamp.
ITEM_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Ratings
itemId1 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
itemId2 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
itemIndex() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
itemIndex() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the item ID index.
itemIndex() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
ItemItemBuildContext - Class in org.grouplens.lenskit.knn.item.model: Encapsulation of data needed during an item-item model build.
ItemItemBuildContext(LongSortedSet, Long2ObjectMap<SparseVector>) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Set up a new item build context.
ItemItemBuildContext.ItemVecPair - Class in org.grouplens.lenskit.knn.item.model: A pair of item ids and their corresponding item vectors, avoiding (un)boxing the ids.
ItemItemBuildContext.ItemVecPair() - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
ItemItemBuildContextFactory - Class in org.grouplens.lenskit.knn.item.model: Factory wrapping initialization logic necessary for instantiating an ItemItemBuildContext.
ItemItemBuildContextFactory(DataAccessObject, UserVectorNormalizer, UserHistorySummarizer) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemBuildContextFactory
ItemItemGlobalRecommender - Class in org.grouplens.lenskit.knn.item: Deprecated.
Use TopNGlobalItemRecommender directly instead.
ItemItemGlobalRecommender(DataAccessObject, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemGlobalRecommender: Deprecated.
ItemItemGlobalScorer - Class in org.grouplens.lenskit.knn.item: Score items based on the basket of items using an item-item CF model.
ItemItemGlobalScorer(DataAccessObject, ItemItemModel, ItemScoreAlgorithm) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
ItemItemModel - Interface in org.grouplens.lenskit.knn.item.model: Item-item similarity model.
ItemItemModelBackedGlobalScorer - Interface in org.grouplens.lenskit.knn.item: The global scorer for the global recommendation backed by a item-item model.
ItemItemModelBuilder - Class in org.grouplens.lenskit.knn.item.model: Build an item-item CF model from rating data.
ItemItemModelBuilder(ItemSimilarity, ItemItemBuildContextFactory, Threshold, int) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemModelBuilder
ItemItemRecommender - Class in org.grouplens.lenskit.knn.item: Deprecated.
Just use TopNItemRecommender instead.
ItemItemRecommender(DataAccessObject, ItemScorer) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemRecommender: Deprecated.

Construct a new item-item recommender from a scorer.
ItemItemScorer - Class in org.grouplens.lenskit.knn.item: Score items using an item-item CF model.
ItemItemScorer(DataAccessObject, ItemItemModel, UserHistorySummarizer, NeighborhoodScorer, ItemScoreAlgorithm, UserVectorNormalizer) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemScorer: Construct a new item-item scorer.
ItemMeanPredictor - Class in org.grouplens.lenskit.baseline: Rating scorer that returns the item's mean rating for all predictions.
ItemMeanPredictor(ImmutableSparseVector, double, double) - Constructor for class org.grouplens.lenskit.baseline.ItemMeanPredictor: Construct a new scorer.
ItemMeanPredictor.Builder - Class in org.grouplens.lenskit.baseline: A builder to create ItemMeanPredictors.
ItemMeanPredictor.Builder(DataAccessObject, double) - Constructor for class org.grouplens.lenskit.baseline.ItemMeanPredictor.Builder: Construct a new provider.
itemRatingVector(Collection<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating vector that contains the ratings provided by each user.
ItemRecommender - Interface in org.grouplens.lenskit: Interface for recommending items.
ItemScoreAlgorithm - Interface in org.grouplens.lenskit.knn.item: Algorithm for scoring items given an item-item model and neighborhood scorer.
ItemScorer - Interface in org.grouplens.lenskit: Score items for users.
itemSet() - Method in class org.grouplens.lenskit.data.AbstractUserHistory
itemSet() - Method in interface org.grouplens.lenskit.data.UserHistory: Get the set of items touched by events in this history.
ItemSimilarity - Interface in org.grouplens.lenskit.knn.item: Compute the similarity between two items.
itemUpdate(double, double, double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Compute the update for an item feature value from error & feature values.
ItemUserMeanPredictor - Class in org.grouplens.lenskit.baseline: Predictor that returns the user's mean offset from item mean rating for all predictions.
ItemUserMeanPredictor(ImmutableSparseVector, ImmutableSparseVector, double, double) - Constructor for class org.grouplens.lenskit.baseline.ItemUserMeanPredictor: Create a new scorer, this assumes ownership of the given map.
ItemUserMeanPredictor.Builder - Class in org.grouplens.lenskit.baseline: A builder that creates ItemUserMeanPredictors.
ItemUserMeanPredictor.Builder(DataAccessObject, double) - Constructor for class org.grouplens.lenskit.baseline.ItemUserMeanPredictor.Builder: Construct a new provider.
itemVector(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Get the rating vector for an item.
ItemVectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalizes an item's vector.
ItemVectorSimilarity - Class in org.grouplens.lenskit.knn.item: Implementation of ItemSimilarity that delegates to a vector similarity.
ItemVectorSimilarity(VectorSimilarity) - Constructor for class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
IterationCount - Annotation Type in org.grouplens.lenskit.iterative: The number of iterations to use in an iterative update.
IterationCountStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop once the iteration count has reached a value.
IterationCountStoppingCondition(int) - Constructor for class org.grouplens.lenskit.iterative.IterationCountStoppingCondition: Construct a new iteration count stopping condition.
iterator() - Method in class org.grouplens.lenskit.collections.CopyingFastCollection
iterator(long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
iterator() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
iterator() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
iterator() - Method in interface org.grouplens.lenskit.collections.ScoredLongList
iterator() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: Get the iterator.
iterator() - Method in class org.grouplens.lenskit.cursors.AbstractLongCursor
iterator() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
iterator() - Method in class org.grouplens.lenskit.vectors.SparseVector

J

JDBCRatingDAO - Class in org.grouplens.lenskit.data.sql: Rating DAO backed by a JDBC connection.
JDBCRatingDAO(Connection, SQLStatementFactory) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Create a new JDBC rating DAO.
JDBCRatingDAO(Connection, SQLStatementFactory, boolean) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Create a new JDBC rating DAO.
JDBCRatingDAO.Factory - Class in org.grouplens.lenskit.data.sql: Factory for creating JDBC DAOs.
JDBCRatingDAO.Factory(String, SQLStatementFactory) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Create a new JDBC DAO factory.
JDBCRatingDAO.Factory(String, SQLStatementFactory, Properties) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Create a new JDBC DAO factory.

K

keepTraining(double) - Method in interface org.grouplens.lenskit.iterative.TrainingLoopController: Query whether the computation should stop.
keyDomain() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the key domain for this vector.
keyDomain() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Get the key domain for this vector.
keys - Variable in class org.grouplens.lenskit.vectors.TypedSideChannel
keysByValue() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return the keys of this vector sorted by value.
keysByValue(boolean) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the keys of this vector sorted by the value of the items stored for each key.
keySet() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the set of keys of this vector.

L

lastIndexOf(long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
lastIndexOf(Object) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
lastInRow - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
lastLong() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
lastModified() - Method in class org.grouplens.lenskit.eval.data.CSVDataSource
lastModified() - Method in interface org.grouplens.lenskit.eval.data.DataSource
lastModified() - Method in class org.grouplens.lenskit.eval.data.GenericDataSource
lastModified() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
lastModified() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the last modification time of this data set.
lastTask - Variable in class org.grouplens.lenskit.eval.EvalTarget
lastTaskFuture - Variable in class org.grouplens.lenskit.eval.EvalTarget
LazyValue<T> - Class in org.grouplens.lenskit.util: A thread-safe lazy value class.
LazyValue(Callable<T>) - Constructor for class org.grouplens.lenskit.util.LazyValue: Create a lazy value whose value will be provided by a callable.
LearningRate - Annotation Type in org.grouplens.lenskit.iterative: Learning rate for iterative methods.
LeastSquaresPredictor - Class in org.grouplens.lenskit.baseline: Generate baseline predictions with regularization.
LeastSquaresPredictor(ImmutableSparseVector, ImmutableSparseVector, double) - Constructor for class org.grouplens.lenskit.baseline.LeastSquaresPredictor: Construct a new LeastSquaresPredictor.
LeastSquaresPredictor.Builder - Class in org.grouplens.lenskit.baseline: The builder for the least squares predictor.
LeastSquaresPredictor.Builder(double, double, PreferenceSnapshot, StoppingCondition) - Constructor for class org.grouplens.lenskit.baseline.LeastSquaresPredictor.Builder: Create a new builder.
length() - Method in interface org.grouplens.lenskit.util.table.Row: Get the length of this row.
LenskitAlgorithmInstance - Class in org.grouplens.lenskit.eval.algorithm: An instance of a recommender algorithm to be benchmarked.
LenskitAlgorithmInstance(String, LenskitConfiguration) - Constructor for class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
LenskitAlgorithmInstance(String, LenskitConfiguration, Map<String, Object>, boolean) - Constructor for class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
LenskitAlgorithmInstanceBuilder - Class in org.grouplens.lenskit.eval.algorithm: Command to get a algorithm instances.
LenskitAlgorithmInstanceBuilder() - Constructor for class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder
LenskitAlgorithmInstanceBuilder(String) - Constructor for class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder
LenskitAnnotationProcessor - Class in org.grouplens.lenskit.core: Annotation processor to provide basic linting of LensKit annotations.
LenskitAnnotationProcessor() - Constructor for class org.grouplens.lenskit.core.LenskitAnnotationProcessor
LenskitAntBuilder - Class in org.grouplens.lenskit.eval.script: Customized Ant builder that doesn't run tasks.
LenskitAntBuilder() - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Project) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Project, Target) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Task) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitConfigContext - Interface in org.grouplens.lenskit.core: LensKit-specific augmentations of the Grapht context interface.
LenskitConfigDSL - Class in org.grouplens.lenskit.config: Methods for the LensKit configuration DSL.
LenskitConfigDSL() - Constructor for class org.grouplens.lenskit.config.LenskitConfigDSL: Construct a new delegate with an empty configuration.
LenskitConfigDSL(LenskitConfiguration) - Constructor for class org.grouplens.lenskit.config.LenskitConfigDSL: Construct a new delegate.
LenskitConfigScript - Class in org.grouplens.lenskit.config: Base class for LensKit configuration scripts.
LenskitConfigScript() - Constructor for class org.grouplens.lenskit.config.LenskitConfigScript
LenskitConfigScript(Binding) - Constructor for class org.grouplens.lenskit.config.LenskitConfigScript
LenskitConfiguration - Class in org.grouplens.lenskit.core: A LensKit algorithm configuration.
LenskitConfiguration() - Constructor for class org.grouplens.lenskit.core.LenskitConfiguration
LenskitConfiguration(LenskitConfiguration) - Constructor for class org.grouplens.lenskit.core.LenskitConfiguration: Create a new copy of a LensKit configuration.
LenskitRecommender - Class in org.grouplens.lenskit.core: Recommender implementation built on LensKit containers.
LenskitRecommender(Injector, DataAccessObject, boolean) - Constructor for class org.grouplens.lenskit.core.LenskitRecommender: Create a new LensKit recommender.
LenskitRecommenderEngine - Class in org.grouplens.lenskit.core: LensKit implementation of a recommender engine.
LenskitRecommenderEngine(DAOFactory, File) - Constructor for class org.grouplens.lenskit.core.LenskitRecommenderEngine: Deprecated.
Use LenskitRecommenderEngine.load(DAOFactory, File) instead.
LenskitRecommenderEngineFactory - Class in org.grouplens.lenskit.core: Deprecated.
Use LenskitConfiguration and LenskitRecommenderEngine.build(DAOFactory, LenskitConfiguration) instead.
LenskitRecommenderEngineFactory() - Constructor for class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Create a new recommender engine factory.
LenskitRecommenderEngineFactory(DAOFactory) - Constructor for class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Create a new recommender engine factory.
lenskitVersion() - Static method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
listIterator(int) - Method in class org.grouplens.lenskit.collections.IntIntervalList
listIterator(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
listIterator() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
listIterator() - Method in interface org.grouplens.lenskit.collections.ScoredLongList
LKFileUtils - Class in org.grouplens.lenskit.util.io: File utilities for LensKit.
load(Closure<?>) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a Groovy closure.
load(String) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a script (as a string).
load(File) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a script file.
load(URL) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a script URL.
load(File) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a file.
load(URL) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a URL.
load(String) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a script source.
load(Closure<?>) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a closure.
load(DAOFactory, File) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new LenskitRecommenderEngine by reading a previously serialized engine from the given file.
load(DAOFactory, InputStream) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new LenskitRecommenderEngine by reading a previously serialized engine from the given input stream.
loadExternalMethods() - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Register a default set of external methods.
loadProject(File) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Load a set of evaluations from a script file.
loadProject(Reader) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Load a set of evaluations from an input stream.
LogContext - Class in org.grouplens.lenskit.util: Utility class to manage log data with MDC.
LogContext() - Constructor for class org.grouplens.lenskit.util.LogContext
logger - Variable in class org.grouplens.lenskit.data.dao.AbstractDataAccessObject: Logger available to the DAO.
logger - Variable in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor
logger - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
logger - Variable in class org.grouplens.lenskit.eval.script.EvalScript
LoggingListener - Class in org.grouplens.lenskit.util.test: JUnit test listener that updates logging information.
LoggingListener() - Constructor for class org.grouplens.lenskit.util.test.LoggingListener
long2ObjectEntrySet() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
LongCursor - Interface in org.grouplens.lenskit.cursors: Cursor iterating over primitive longs.
longIterator() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Deprecated.
longListIterator() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Deprecated.
longListIterator(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Deprecated.
LongSortedArraySet - Class in org.grouplens.lenskit.collections: A sorted set of longs implemented using a sorted array.
LongSortedArraySet(Collection<Long>) - Constructor for class org.grouplens.lenskit.collections.LongSortedArraySet: Construct a new array set from a collection of items.
LongSortedArraySet(long[]) - Constructor for class org.grouplens.lenskit.collections.LongSortedArraySet: Create a new set from an existing array.
LongSortedArraySet(long[], int, int) - Constructor for class org.grouplens.lenskit.collections.LongSortedArraySet: Create a new set from a range of an existing array.
longSubList(int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Deprecated.
lookupBuilder(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Find a builder with a particular name if it exists.
lookupMethod(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Look up a registered method of any type.
lookupTask(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Find a task with a particular name if it exists.

M

MAEPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's predictions by Mean Absolute Error.
MAEPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
main(String[]) - Static method in class org.grouplens.lenskit.eval.cli.EvalCLI: Run the evaluator from the command line.
make(long, long, double) - Static method in class org.grouplens.lenskit.data.event.Ratings: Deprecated.
Use Ratings.newBuilder().
make(long, long, double, long) - Static method in class org.grouplens.lenskit.data.event.Ratings: Deprecated.
Use Ratings.newBuilder().
make(double[]) - Static method in class org.grouplens.lenskit.vectors.ImmutableVec: Create a new vector from data in an array.
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
makeAccumulator(AlgorithmInstance, TTDataSet) - Method in interface org.grouplens.lenskit.eval.metrics.TestUserMetric: Create a result accumulator for a single row for this evaluation.
makeAlgorithmAccumulator(AlgorithmInstance) - Method in interface org.grouplens.lenskit.eval.results.ResultAccumulator
makeConnection() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Get a new database connection.
makeEstimator(PreferenceSnapshot) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Create an estimator to use while training the recommender.
makeList(Cursor<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Read a cursor into a list, closing when it is finished.
makeList(LongCursor) - Static method in class org.grouplens.lenskit.cursors.Cursors: Read a LongCursor into a LongArrayList, closing the cursor when done.
makeLongCursor(Cursor<Long>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Make a fast long cursor.
makeRatingVector(UserHistory<? extends Event>) - Static method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
makeSet(LongCursor) - Static method in class org.grouplens.lenskit.cursors.Cursors: Read a LongCursor into a LongSet, closing the cursor when done.
makeTestableRecommender(TTDataSet, Supplier<SharedPreferenceSnapshot>, ExecutionInfo) - Method in interface org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Create a testable recommender instance from this algorithm.
makeTestableRecommender(TTDataSet, Supplier<SharedPreferenceSnapshot>, ExecutionInfo) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
makeTestableRecommender(TTDataSet, Supplier<SharedPreferenceSnapshot>, ExecutionInfo) - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.IdentityVectorNormalizer
makeTransformation(long, SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.ItemVectorNormalizer: Make a vector transformation for an item.
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer
makeTransformation(long, SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.UserVectorNormalizer: Make a vector transformation for a user.
makeTransformation(SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorNormalizer: Create a vector transformation that normalizes and denormalizes vectors with respect to the specified entity.
MavenLogAppender<E extends ch.qos.logback.classic.spi.ILoggingEvent> - Class in org.grouplens.lenskit.eval.maven: Logback appender that writes to the Maven log.
MavenLogAppender() - Constructor for class org.grouplens.lenskit.eval.maven.MavenLogAppender
mean() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
mean() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the mean of the vector's values.
mean() - Method in class org.grouplens.lenskit.vectors.Vec: Get the mean of this vector.
MeanDamping - Annotation Type in org.grouplens.lenskit.baseline: Damping parameter for means in baseline predictors.
MeanVarianceNormalizer - Class in org.grouplens.lenskit.transform.normalize: Normalizes against the variance of the vector with optional smoothing as described in Hofmann '04.
MeanVarianceNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Initializes basic normalizer with no damping.
MeanVarianceNormalizer(double, double) - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Construct a new mean variance normalizer.
MeanVarianceNormalizer.Builder - Class in org.grouplens.lenskit.transform.normalize: A Builder for UserVarianceNormalizers that computes the variance from a RatingBuildContext.
MeanVarianceNormalizer.Builder(DataAccessObject, double) - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer.Builder: Create a new mean-variance normalizer builder.
measureAlgorithm(AlgorithmInstance, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
measureAlgorithm(AlgorithmInstance, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
measureAlgorithm(AlgorithmInstance, TTDataSet, Recommender) - Method in interface org.grouplens.lenskit.eval.traintest.ModelMetric: Measure a model built by an algorithm.
memoize(Function<? super UserHistory<E>, ? extends T>) - Method in class org.grouplens.lenskit.data.AbstractUserHistory
memoize(Function<? super UserHistory<E>, ? extends T>) - Method in interface org.grouplens.lenskit.data.UserHistory: Apply a function to this history, memoizing its return value.
methodMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
methodMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.EvalScript
Metric<E> - Interface in org.grouplens.lenskit.eval.metrics: Base interface for metrics, which are used by evaluations to measure their results.
MinimumIterations - Annotation Type in org.grouplens.lenskit.iterative: The minimum number of iterations to use.
ML100K_PROPERTY - Variable in class org.grouplens.lenskit.test.ML100KTestSuite
ML100KTestSuite - Class in org.grouplens.lenskit.test: Base class for integration tests using the ML-100K data set.
ML100KTestSuite() - Constructor for class org.grouplens.lenskit.test.ML100KTestSuite
MockItemScorer - Class in org.grouplens.lenskit.util.test: A mock item scorer that can be used in testing.
MockItemScorer.Builder - Class in org.grouplens.lenskit.util.test: Builder for mock item scorers.
MockItemScorer.Builder() - Constructor for class org.grouplens.lenskit.util.test.MockItemScorer.Builder
model - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
model - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
model - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
model - Variable in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
ModelMetric - Interface in org.grouplens.lenskit.eval.traintest: A metric that evaluates an algorithm model.
ModelSize - Annotation Type in org.grouplens.lenskit.knn.item: Number of neighbors to retain in the similarity matrix.
MoreArrays - Class in org.grouplens.lenskit.collections: Additional array utilities.
MultiplexedTableWriter - Class in org.grouplens.lenskit.util.table.writer
MultiplexedTableWriter(TableLayout, List<TableWriter>) - Constructor for class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
MultiplexedTableWriter(TableLayout, TableWriter...) - Constructor for class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
mutableCopy() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
mutableCopy() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
mutableCopy() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return a mutable copy of this sparse vector.
mutableCopy() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel: Creates a mutable copy of this side channel.
mutableCopy() - Method in class org.grouplens.lenskit.vectors.Vec: Get a mutable copy of this vector.
MutableRating - Class in org.grouplens.lenskit.data.event: Rating implementation for mutation by fast iterators.
MutableRating() - Constructor for class org.grouplens.lenskit.data.event.MutableRating
MutableSparseVector - Class in org.grouplens.lenskit.vectors: Mutable version of sparse vector.
MutableSparseVector() - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new empty vector.
MutableSparseVector(Long2DoubleMap) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector from the contents of a map.
MutableSparseVector(Collection<Long>) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new empty vector with the specified key domain.
MutableSparseVector(LongSet, double) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector with the specified keys, setting all values to a constant value.
MutableSparseVector(long[], double[]) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector from existing arrays.
MutableSparseVector(long[], double[], int) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector from existing arrays.
MutableSparseVector(long[], double[], int, BitSet) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector from existing arrays, including an already instantiated Set for the used keys.
MutableSparseVector(long[], double[], int, BitSet, Map<Symbol, MutableSparseVector>, Map<TypedSymbol<?>, TypedSideChannel<?>>) - Constructor for class org.grouplens.lenskit.vectors.MutableSparseVector: Construct a new vector from existing arrays, including an already instantiated Set for the used keys.
MutableVec - Class in org.grouplens.lenskit.vectors: Mutable Vec.
MutableVec(int) - Constructor for class org.grouplens.lenskit.vectors.MutableVec: Construct a new mutable vector.
MutualInformationAccumulator - Class in org.grouplens.lenskit.util.statistics: Accumulate mutual information over two discrete variables.
MutualInformationAccumulator(int, int) - Constructor for class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Construct a new accumulator.
MutualInformationAccumulator(int) - Constructor for class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Construct a new accumulator with equal-sized event spaces.
MutualInformationVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Similarity function that assumes the two vectors are paired samples from 2 correlated random variables.
MutualInformationVectorSimilarity(Quantizer) - Constructor for class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity: Construct a new mutual information similarity.

N

NDCGPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's predictions with normalized discounted cumulative gain.
NDCGPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
Neighbor - Class in org.grouplens.lenskit.knn.user: Representation of a single neighboring user.
Neighbor(long, SparseVector, double) - Constructor for class org.grouplens.lenskit.knn.user.Neighbor: Construct a new neighbor.
NEIGHBORHOOD_SIZE_SYMBOL - Static variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
NeighborhoodFinder - Interface in org.grouplens.lenskit.knn.user: Interface for neighborhood-finding strategies.
neighborhoodFinder - Variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NeighborhoodScorer - Interface in org.grouplens.lenskit.knn.item: Compute scores from neighborhoods and score vectors.
NeighborhoodSize - Annotation Type in org.grouplens.lenskit.knn: Number of neighbors to consider when building a prediction.
newBuilder() - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a new RatingBuilder.
newBuilder() - Static method in class org.grouplens.lenskit.util.test.MockItemScorer: Construct a new builder for mock item scorers.
newId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set a new unique event ID.
newLoop() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition
newLoop() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition
newLoop() - Method in interface org.grouplens.lenskit.iterative.StoppingCondition: Create a controller for a new training loop.
newLoop() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition
next() - Method in class org.grouplens.lenskit.cursors.AbstractLongCursor: Implement Cursor.next() by delegating to LongCursor.nextLong().
next() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor
next() - Method in interface org.grouplens.lenskit.cursors.Cursor: Fetch the next item from the cursor.
next() - Method in class org.grouplens.lenskit.cursors.CursorIterator
nextInt() - Method in class org.grouplens.lenskit.collections.BitSetIterator
nextLong() - Method in interface org.grouplens.lenskit.cursors.LongCursor: Get the next value as a primitive long.
nodeCompleted(Object, Object) - Method in class org.grouplens.lenskit.eval.script.LenskitAntBuilder
nodeHasType(Class<?>) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Predicate satisfied by nodes whose satisfactions have the specified type.
NoOpTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that does not actually perform any truncation.
NoOpTruncator() - Constructor for class org.grouplens.lenskit.transform.truncate.NoOpTruncator
norm() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
norm() - Method in class org.grouplens.lenskit.vectors.ImmutableVec
norm() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the L2 norm (Euclidian length) of the vector.
norm() - Method in class org.grouplens.lenskit.vectors.Vec: Get the L2 (Euclidean) norm of this vector.
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.AbstractUserVectorNormalizer: Normalize a vector with respect to a user vector.
normalize(SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.AbstractVectorNormalizer: Normalize a vector in-place with a reference vector.
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
normalize(long, SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.ItemVectorNormalizer: Normalize a vector with respect to an item vector.
normalize(long, SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.UserVectorNormalizer: Normalize a vector with respect to a user vector.
normalize(SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorNormalizer: Normalize a vector in-place with a reference vector.
normalizeNeighborRatings(Collection<? extends Collection<Neighbor>>) - Method in class org.grouplens.lenskit.knn.user.UserUserItemScorer: Normalize all neighbor rating vectors, taking care to normalize each one only once.
normalizer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
normalizer - Variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NormalizingItemItemModelBuilder - Class in org.grouplens.lenskit.knn.item.model: Build an item-item CF model from rating data.
NormalizingItemItemModelBuilder(ItemSimilarity, ItemItemBuildContextFactory, ItemVectorNormalizer, VectorTruncator) - Constructor for class org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder
notANumber() - Static method in class org.grouplens.lenskit.util.test.ExtraMatchers: Match Double.NaN.
NoThreshold - Class in org.grouplens.lenskit.transform.threshold: Represents the absence of a threshold function, choosing to retain all similarity values passed to it.
NoThreshold() - Constructor for class org.grouplens.lenskit.transform.threshold.NoThreshold

O

of(String) - Static method in class org.grouplens.lenskit.symbols.Symbol: Get a unique symbol for name.
of(Class<T>, String) - Static method in class org.grouplens.lenskit.symbols.TypedSymbol: Get a unique symbol for name and type.
of(Class<T>, Symbol) - Static method in class org.grouplens.lenskit.symbols.TypedSymbol
open() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine
open(DataAccessObject, boolean) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Open a recommender with a specific data connection.
open(Connection) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Wrap an existing database connection in a DAO.
open() - Method in interface org.grouplens.lenskit.RecommenderEngine: Open a recommender.
open(File, TableLayout, CompressionMode) - Static method in class org.grouplens.lenskit.util.table.writer.CSVWriter: Open a CSV writer to write to a file.
open(File, TableLayout) - Static method in class org.grouplens.lenskit.util.table.writer.CSVWriter: Open a CSV writer to write to an auto-compressed file.
openInput(File, Charset, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input, optionally compressed.
openInput(File, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input with the default charset.
openInput(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a reader with automatic compression and the default character set.
openOutput(File, Charset, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input, optionally compressed.
openOutput(File, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for output with the default charset.
openOutput(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a reader with automatic compression inference.
Order<E> - Interface in org.grouplens.lenskit.eval.data.crossfold: An order for a list.
org.grouplens.lenskit - package org.grouplens.lenskit: Interfaces defining the LensKit API.
org.grouplens.lenskit.baseline - package org.grouplens.lenskit.baseline: Baseline predictors.
org.grouplens.lenskit.basic - package org.grouplens.lenskit.basic: Basic component implementations.
org.grouplens.lenskit.collections - package org.grouplens.lenskit.collections: Custom collections and related utilities.
org.grouplens.lenskit.config - package org.grouplens.lenskit.config: Configuration loading support.
org.grouplens.lenskit.core - package org.grouplens.lenskit.core: Core API implementation classes for LensKit.
org.grouplens.lenskit.cursors - package org.grouplens.lenskit.cursors: Cursors for iterative data access.
org.grouplens.lenskit.data - package org.grouplens.lenskit.data: User history and event interfaces for querying recommenders.
org.grouplens.lenskit.data.dao - package org.grouplens.lenskit.data.dao: LensKit data access objects.
org.grouplens.lenskit.data.event - package org.grouplens.lenskit.data.event: LensKit's events and related types.
org.grouplens.lenskit.data.history - package org.grouplens.lenskit.data.history: User histories (sequences of events).
org.grouplens.lenskit.data.pref - package org.grouplens.lenskit.data.pref: User preferences for items.
org.grouplens.lenskit.data.snapshot - package org.grouplens.lenskit.data.snapshot: Snapshotting summarized user data.
org.grouplens.lenskit.data.sql - package org.grouplens.lenskit.data.sql: JDBC-based data access layer.
org.grouplens.lenskit.eval - package org.grouplens.lenskit.eval
org.grouplens.lenskit.eval.algorithm - package org.grouplens.lenskit.eval.algorithm
org.grouplens.lenskit.eval.cli - package org.grouplens.lenskit.eval.cli
org.grouplens.lenskit.eval.data - package org.grouplens.lenskit.eval.data
org.grouplens.lenskit.eval.data.crossfold - package org.grouplens.lenskit.eval.data.crossfold
org.grouplens.lenskit.eval.data.subsample - package org.grouplens.lenskit.eval.data.subsample
org.grouplens.lenskit.eval.data.traintest - package org.grouplens.lenskit.eval.data.traintest
org.grouplens.lenskit.eval.graph - package org.grouplens.lenskit.eval.graph
org.grouplens.lenskit.eval.maven - package org.grouplens.lenskit.eval.maven
org.grouplens.lenskit.eval.metrics - package org.grouplens.lenskit.eval.metrics
org.grouplens.lenskit.eval.metrics.predict - package org.grouplens.lenskit.eval.metrics.predict
org.grouplens.lenskit.eval.results - package org.grouplens.lenskit.eval.results
org.grouplens.lenskit.eval.script - package org.grouplens.lenskit.eval.script: Machinery for interpreting evaluator scripts.
org.grouplens.lenskit.eval.traintest - package org.grouplens.lenskit.eval.traintest
org.grouplens.lenskit.iterative - package org.grouplens.lenskit.iterative: Common utilities for iterative methods.
org.grouplens.lenskit.knn - package org.grouplens.lenskit.knn: Neighborhood-based collaborative filtering (common support code).
org.grouplens.lenskit.knn.item - package org.grouplens.lenskit.knn.item: Implementation of item-item collaborative filtering.
org.grouplens.lenskit.knn.item.model - package org.grouplens.lenskit.knn.item.model: Model classes and builders for the item-item k-NN collaborative filter.
org.grouplens.lenskit.knn.user - package org.grouplens.lenskit.knn.user: Implementation of user-user collaborative filtering.
org.grouplens.lenskit.mf.funksvd - package org.grouplens.lenskit.mf.funksvd
org.grouplens.lenskit.scored - package org.grouplens.lenskit.scored: Associate IDs with scores.
org.grouplens.lenskit.slopeone - package org.grouplens.lenskit.slopeone
org.grouplens.lenskit.symbols - package org.grouplens.lenskit.symbols: Interned symbols.
org.grouplens.lenskit.test - package org.grouplens.lenskit.test
org.grouplens.lenskit.transform.clamp - package org.grouplens.lenskit.transform.clamp: Clamping functions.
org.grouplens.lenskit.transform.normalize - package org.grouplens.lenskit.transform.normalize: Interfaces and classes for data normalization.
org.grouplens.lenskit.transform.quantize - package org.grouplens.lenskit.transform.quantize: Quantize values.
org.grouplens.lenskit.transform.threshold - package org.grouplens.lenskit.transform.threshold: Threshold values.
org.grouplens.lenskit.transform.truncate - package org.grouplens.lenskit.transform.truncate
org.grouplens.lenskit.util - package org.grouplens.lenskit.util: Utility classes used by the rest of LensKit.
org.grouplens.lenskit.util.io - package org.grouplens.lenskit.util.io: I/O utilitises.
org.grouplens.lenskit.util.parallel - package org.grouplens.lenskit.util.parallel: Utilities for parallel computation.
org.grouplens.lenskit.util.statistics - package org.grouplens.lenskit.util.statistics: Statistical utilities.
org.grouplens.lenskit.util.table - package org.grouplens.lenskit.util.table
org.grouplens.lenskit.util.table.writer - package org.grouplens.lenskit.util.table.writer: Utilities for writing two-dimensional tables of data.
org.grouplens.lenskit.util.test - package org.grouplens.lenskit.util.test
org.grouplens.lenskit.vectors - package org.grouplens.lenskit.vectors: Vectors (both sparse and dense) and their operations.
org.grouplens.lenskit.vectors.similarity - package org.grouplens.lenskit.vectors.similarity: Similarity functions over vectors.

P

pack(DataAccessObject) - Static method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
PackedPreferenceSnapshot - Class in org.grouplens.lenskit.data.snapshot: An in-memory snapshot of rating data stored in packed arrays.
PackedPreferenceSnapshot(PackedPreferenceData) - Constructor for class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
PackedPreferenceSnapshot.Provider - Class in org.grouplens.lenskit.data.snapshot: A Factory that creates PackedRatingBuildSnapshots from an opened DataAccessObject.
PackedPreferenceSnapshot.Provider(DataAccessObject) - Constructor for class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot.Provider
paired(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Deprecated.
This can be implemented in terms of Vectors.union(SparseVector, SparseVector)
pairedFast(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Deprecated.
This can be implemented in terms of Vectors.fastUnion(SparseVector, SparseVector)
pairedFastIterator(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Deprecated.
This can be implemented in terms of Vectors.fastUnion(SparseVector, SparseVector)
pairedIterator(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Deprecated.
This can be implemented in terms of Vectors.union(SparseVector, SparseVector)
pairLeft() - Static method in class org.grouplens.lenskit.util.Functional
pairRight() - Static method in class org.grouplens.lenskit.util.Functional
parallelRun(ExecutorService, Collection<? extends Callable<?>>) - Static method in class org.grouplens.lenskit.util.parallel.ExecHelpers: Run a collection of tasks in an executor and wait for all to finish.
Parameter - Annotation Type in org.grouplens.lenskit.core: Annotation for component parameters.
parse(String...) - Static method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.FractionPartition
partition(List<Rating>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.HoldoutNPartition
partition(List<E>) - Method in interface org.grouplens.lenskit.eval.data.crossfold.PartitionAlgorithm: Compute a partition of some data.
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.RetainNPartition
PartitionAlgorithm<E> - Interface in org.grouplens.lenskit.eval.data.crossfold: Partitioning algorithm for an ordered sequence of stuff.
PearsonCorrelation - Class in org.grouplens.lenskit.vectors.similarity: Similarity function using Pearson correlation.
PearsonCorrelation() - Constructor for class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
PearsonCorrelation(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
perform() - Method in class org.grouplens.lenskit.eval.AbstractTask
perform() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Run the crossfold command.
perform() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Run the Subsample command.
perform() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
perform(Closure<?>) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
perform() - Method in class org.grouplens.lenskit.eval.TrainModelTask
perform() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Run the evaluation on the train test data source files
pointer(Iterator<E>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Wrap an iterator in a pointer.
Pointer<E> - Interface in org.grouplens.lenskit.collections: A pointer is at an element and can be advanced and range-tested.
pointer() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get a pointer over the set vector entries.
pointer(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get a pointer over the vector entries.
Pointers - Class in org.grouplens.lenskit.collections
poll() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor: Return the next element in this Cursor, or null if there are no more elements.
poll() - Method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor
poll() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor
predict(long, SparseVector, Collection<Long>) - Method in class org.grouplens.lenskit.baseline.AbstractBaselinePredictor: Generate baseline predictions for several items into a new vector.
predict(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.AbstractBaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, SparseVector, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.AbstractBaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, Collection<Long>) - Method in class org.grouplens.lenskit.baseline.AbstractBaselinePredictor: Generate baseline predictions for several items into a new vector.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.AbstractBaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, Collection<Long>) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Generate baseline predictions for several items into a new vector.
predict(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, MutableSparseVector, boolean) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, SparseVector, Collection<Long>) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Generate baseline predictions for several items into a new vector.
predict(long, SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, SparseVector, MutableSparseVector, boolean) - Method in interface org.grouplens.lenskit.baseline.BaselinePredictor: Predict method that scores into an existing mutable sparse vector.
predict(long, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.ConstantPredictor
predict(long, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.ItemMeanPredictor
predict(long, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.ItemUserMeanPredictor
predict(long, SparseVector, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.ItemUserMeanPredictor
predict(long, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.LeastSquaresPredictor
predict(long, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.UserMeanPredictor
predict(long, SparseVector, MutableSparseVector, boolean) - Method in class org.grouplens.lenskit.baseline.UserMeanPredictor: Compute baseline predictions for a user.
predict(long, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict the user's preference for a collection of items.
predict(UserHistory<? extends Event>, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict a collection of items for the user using a history.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict for items in a vector.
predict(long, long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Prdict a user's rating for a single item.
predict(UserHistory<? extends Event>, long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict a user's preference for an item using a history.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor
predict(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor
predict(long, long) - Method in interface org.grouplens.lenskit.RatingPredictor: Prdict a user's rating for a single item.
predict(long, Collection<Long>) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict the user's preference for a collection of items.
predict(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict for items in a vector.
predict(UserHistory<? extends Event>, long) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict a user's preference for an item using a history.
predict(UserHistory<? extends Event>, Collection<Long>) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict a collection of items for the user using a history.
predict(UserHistory<? extends Event>, MutableSparseVector) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict for items in a vector.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.quantize.QuantizedRatingPredictor
predict(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.quantize.QuantizedRatingPredictor
predictor - Variable in class org.grouplens.lenskit.knn.user.UserUserRecommender: Deprecated.
prefDomain(Map<String, Object>) - Method in class org.grouplens.lenskit.config.BindingDSL: Make a preference domain.
Preference - Class in org.grouplens.lenskit.data.pref: A real-valued preference a user has for an item.
Preference() - Constructor for class org.grouplens.lenskit.data.pref.Preference
PreferenceBuilder - Class in org.grouplens.lenskit.data.pref: Build a preference.
PreferenceBuilder() - Constructor for class org.grouplens.lenskit.data.pref.PreferenceBuilder
PreferenceDomain - Class in org.grouplens.lenskit.data.pref: An object describing the domain of preference data, used in ratings and predictions.
PreferenceDomain(double, double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomain: Create a discrete bounded preference domain.
PreferenceDomain(double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomain: Create a continuous bounded preference domain.
PreferenceDomainBuilder - Class in org.grouplens.lenskit.data.pref: Build a PreferenceDomain.
PreferenceDomainBuilder() - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Create an uninitialized preference domain builder.
PreferenceDomainBuilder(double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Create a preference domain builder with a specified minimum and maximum.
PreferenceDomainQuantizer - Class in org.grouplens.lenskit.transform.quantize: Quantizer that uses a range and precision to determine discrete values.
PreferenceDomainQuantizer(PreferenceDomain) - Constructor for class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer: Create a new quantizer from a discrete preference domain.
PreferenceDomainQuantizer(double, double, double) - Constructor for class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer: Create a new preference domain quantizer.
Preferences - Class in org.grouplens.lenskit.data.pref: Utility class for working with preferences.
Preferences() - Constructor for class org.grouplens.lenskit.data.pref.Preferences
PreferenceSnapshot - Interface in org.grouplens.lenskit.data.snapshot: Snapshot of the ratings data for building a recommender.
prefixed(TableWriter, List<?>) - Static method in class org.grouplens.lenskit.util.table.writer.TableWriters: Create a table writer that writes data with common leading columns to an underlying table writer.
prefixed(TableWriter, Object...) - Static method in class org.grouplens.lenskit.util.table.writer.TableWriters: Create a table writer that writes data with common leading columns to an underlying table writer.
prefixFunction(AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Function version of TrainTestEvalTask.prefixTable(TableWriter, org.grouplens.lenskit.eval.algorithm.AlgorithmInstance, TTDataSet).
prefixTable(TableWriter, AlgorithmInstance, TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Prefix a table for a particular algorithm and data set.
prepareEvents(SortOrder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareEvents(SortOrder) - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getEvents(SortOrder).
prepareItemCount() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItemCount() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getItemCount().
prepareItemEvents() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItemEvents() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getItemEvents(long).
prepareItems() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItems() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getItems().
prepareUserCount() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareUserCount() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getUserCount().
prepareUserEvents() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareUserEvents() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getUserEvents(long).
prepareUsers() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareUsers() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy DataAccessObject.getUsers().
previousInt() - Method in class org.grouplens.lenskit.collections.BitSetIterator
PrimaryScorer - Annotation Type in org.grouplens.lenskit.baseline: The primary scorer to be used with BaselineItemScorer.
process(Set<? extends TypeElement>, RoundEnvironment) - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
properties - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
propertyMissing(String) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
propertyMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
put(long, double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Accumulate a value with an ID.
put(String, String) - Method in class org.grouplens.lenskit.util.LogContext: Set a key in the MDC environment.
put(long, double) - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Put a new item in the accumulator.
put(long, double) - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
put(long, double) - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
put(long, V) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
putItemPair(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator: Puts the item pair into the accumulator.

Q

quantize(double) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Convert a value into a quantized value, returning the quantized value.
quantize(double) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
QuantizedRatingPredictor - Class in org.grouplens.lenskit.transform.quantize: A rating predictor wrapper that quantizes predictions.
QuantizedRatingPredictor(DataAccessObject, RatingPredictor, Quantizer) - Constructor for class org.grouplens.lenskit.transform.quantize.QuantizedRatingPredictor: Construct a new quantized predictor.
Quantizer - Interface in org.grouplens.lenskit.transform.quantize: Quantize real values into discrete values.

R

RandomOrder<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Ordering that randomizes the list.
RandomOrder() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.RandomOrder
Rating - Interface in org.grouplens.lenskit.data.event: A rating is an expression of preference for an item by a user.
RatingBuilder - Class in org.grouplens.lenskit.data.event: Build a Rating.
RatingBuilder() - Constructor for class org.grouplens.lenskit.data.event.RatingBuilder: Create an uninitialized rating builder.
RatingBuilder(long) - Constructor for class org.grouplens.lenskit.data.event.RatingBuilder: Create a rating builder with a particular event ID.
RatingPredictor - Interface in org.grouplens.lenskit: Predict user ratings.
RatingRangeClampingFunction - Class in org.grouplens.lenskit.transform.clamp: Clamp values to the range of valid ratings.
RatingRangeClampingFunction(PreferenceDomain) - Constructor for class org.grouplens.lenskit.transform.clamp.RatingRangeClampingFunction
Ratings - Class in org.grouplens.lenskit.data.event: Utilities for working with ratings.
Ratings() - Constructor for class org.grouplens.lenskit.data.event.Ratings
RatingVectorUserHistorySummarizer - Class in org.grouplens.lenskit.data.history: Summarize a history by extracting a rating vector.
RatingVectorUserHistorySummarizer() - Constructor for class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
RealThreshold - Class in org.grouplens.lenskit.transform.threshold: Checks similarity values to ensure their real values are over the ThresholdValue.
RealThreshold(double) - Constructor for class org.grouplens.lenskit.transform.threshold.RealThreshold
recommend(long) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user using the default exclude set.
recommend(long, int) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(long, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(long, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Produce a set of recommendations for the user.
recommend(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user with the default exclude set.
recommend(UserHistory<? extends Event>, int) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(UserHistory<? extends Event>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(UserHistory<? extends Event>, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Produce a set of recommendations for the user.
recommend(long, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Implementation method for ID-based recommendation.
recommend(UserHistory<? extends Event>, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Implementation method for recommender services.
recommend(int, SparseVector) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Pick the top n items from a score vector.
recommend(long, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Implement the ID-based recommendation in terms of the scorer.
recommend(UserHistory<? extends Event>, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Implement profile-based recommendation in terms of the scorer.
recommend(int, SparseVector) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Pick the top n items from a score vector.
recommend(long) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user using the default exclude set.
recommend(long, int) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(long, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(long, int, Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Produce a set of recommendations for the user.
recommend(UserHistory<? extends Event>) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user with the default exclude set.
recommend(UserHistory<? extends Event>, int) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(UserHistory<? extends Event>, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(UserHistory<? extends Event>, int, Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Produce a set of recommendations for the user.
Recommender - Interface in org.grouplens.lenskit: Main entry point for accessing recommender components.
RecommenderBuildException - Exception in org.grouplens.lenskit: Exception thrown when there is an error building a recommender.
RecommenderBuildException() - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Consruct a new recommender build exception.
RecommenderBuildException(String) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct exception with a message.
RecommenderBuildException(String, Throwable) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct exception with a message and cause.
RecommenderBuildException(Throwable) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct an exception with a cause.
RecommenderConfigurationException - Exception in org.grouplens.lenskit.core: Error thrown when an error occurs resolving the recommender configuration graph.
RecommenderConfigurationException() - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(String) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(String, Throwable) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(Throwable) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderEngine - Interface in org.grouplens.lenskit: Service providing access to a recommender.
RecommenderEngineFactory - Interface in org.grouplens.lenskit: Deprecated.
How you get a RecommenderEngine is implementation-specific.
RecommenderInstance - Interface in org.grouplens.lenskit.eval.algorithm: A trained recommender instance for testing.
RecommenderInstantiator - Class in org.grouplens.lenskit.core: Build a recommender engine.
registerCommand(Class<T>, Class<? extends Builder>) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Register a builder class for a type.
registerDep(Object, ListenableFuture<?>) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
RegularizationTerm - Annotation Type in org.grouplens.lenskit.iterative: The regularization factor applied in many iterative methods.
release() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
release() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Release the data set.
rem(long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
rem(long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
remove(Object) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
remove(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
remove() - Method in class org.grouplens.lenskit.cursors.CursorIterator
remove(long) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
removeAll(Collection<?>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
removeAll(LongCollection) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
removeAllChannels() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove all channels stored in this vector.
removeChannel(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove the channel stored under a particular symbol.
removeChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove the typed channel stored under a particular symbol.
removeElements(int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
removeLog() - Static method in class org.grouplens.lenskit.eval.maven.MavenLogAppender: Remove the logger for the current thread.
removeLong(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
removeTransient(Set<Edge>) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Remove transient edges from a set.
repeat(T, int) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Return a list that repeats a single object multiple times.
replaceDAONode(InjectSPI, Graph) - Static method in class org.grouplens.lenskit.core.GraphtUtils: Replace the DAO node in a graph with a placeholder.
replaceNodeWithPlaceholder(InjectSPI, Graph, Node) - Static method in class org.grouplens.lenskit.core.GraphtUtils
reportError(Throwable, String, Object...) - Method in class org.grouplens.lenskit.eval.cli.EvalCLI
requires(Object...) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
reset() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Reset to start accumulating again.
ResultAccumulator - Interface in org.grouplens.lenskit.eval.results: Result accumulator for test runs.
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.AbsoluteThreshold
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.NoThreshold
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.RealThreshold
retain(double) - Method in interface org.grouplens.lenskit.transform.threshold.Threshold: Checks a similarity value against retention criteria for inclusion in similarity models.
retainAll(Collection<?>) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
retainAll(LongCollection) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
RetainNPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition the event list by retaining a fixed number of elements.
RetainNPartition(int) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.RetainNPartition: Create a count partitioner.
returnValue - Variable in class org.grouplens.lenskit.eval.EvalTarget
RMSEPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's prediction accuracy with RMSE.
RMSEPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
root(Class<?>) - Method in class org.grouplens.lenskit.config.LenskitConfigDSL: Add a root type.
row(int) - Method in class org.grouplens.lenskit.mf.funksvd.SparseMatrix
Row - Interface in org.grouplens.lenskit.util.table: One row of a data table.
rqAddOrder(StringBuilder, SortOrder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Add an ORDER BY clause to a query.
rqAddSelectFrom(StringBuilder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Add the SELECT and FROM clauses to the query.
rqFinish(StringBuilder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Finish a query (append a semicolon).
RScriptMojo - Class in org.grouplens.lenskit.eval.maven: Deprecated.
Run R from within the eval script, using the Ant exec task instead.
RScriptMojo() - Constructor for class org.grouplens.lenskit.eval.maven.RScriptMojo: Deprecated.
rule - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
run() - Method in class org.grouplens.lenskit.eval.cli.EvalCLI
run() - Method in class org.grouplens.lenskit.eval.script.EvalScript
runScript(File, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run a script from a file.
runScript(Reader, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run a script from a reader.
runScript(EvalScript, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run an evaluation config script and get the evaluations it produces.
RuntimeUpdate - Annotation Type in org.grouplens.lenskit.mf.funksvd: Qualifier for the update rule used at runtime.

S

scale(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Multiply the vector by a scalar.
scale(double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Scale this vector.
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.BaselineItemScorer: Score items in a vector.
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.BaselineItemScorer: Score items in a vector.
score(long, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score a collection of items.
score(UserHistory<? extends Event>, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score a collection of items for the user using a history.
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score items in a vector.
score(long, long) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score a single item.
score(UserHistory<? extends Event>, long) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score an item for the user using a history.
score(long, long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(long, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(UserHistory<? extends Event>, long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(UserHistory<? extends Event>, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Deprecated.
score(long, long) - Method in interface org.grouplens.lenskit.ItemScorer: Score a single item.
score(long, Collection<Long>) - Method in interface org.grouplens.lenskit.ItemScorer: Score a collection of items.
score(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.ItemScorer: Score items in a vector.
score(UserHistory<? extends Event>, long) - Method in interface org.grouplens.lenskit.ItemScorer: Score an item for the user using a history.
score(UserHistory<? extends Event>, Collection<Long>) - Method in interface org.grouplens.lenskit.ItemScorer: Score a collection of items for the user using a history.
score(UserHistory<? extends Event>, MutableSparseVector) - Method in interface org.grouplens.lenskit.ItemScorer: Score items in a vector.
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemItemScorer: Score items by computing predicted ratings.
score(SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.knn.item.NeighborhoodScorer: Compute a score based on similar neighbors and their corresponding scores.
score(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer
score(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.user.UserUserItemScorer
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
score(long, long) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(long, long)
score(long, Collection<Long>) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(long, Collection)
score(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(long, MutableSparseVector)
score(UserHistory<? extends Event>, long) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(UserHistory, long)
score(UserHistory<? extends Event>, Collection<Long>) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(UserHistory, Collection)
score(UserHistory<? extends Event>, MutableSparseVector) - Method in interface org.grouplens.lenskit.RatingPredictor: Deprecated.
Use RatingPredictor.predict(UserHistory, MutableSparseVector)
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.slopeone.WeightedSlopeOneItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.util.test.MockItemScorer
score(UserHistory<? extends Event>, MutableSparseVector) - Method in class org.grouplens.lenskit.util.test.MockItemScorer
ScoreBasedGlobalItemRecommender - Class in org.grouplens.lenskit.core: Deprecated.
Use TopNGlobalItemRecommender instead.
ScoreBasedGlobalItemRecommender(DataAccessObject, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.core.ScoreBasedGlobalItemRecommender: Deprecated.
ScoreBasedItemRecommender - Class in org.grouplens.lenskit.core: Deprecated.
Use TopNItemRecommender instead.
ScoreBasedItemRecommender(DataAccessObject, ItemScorer) - Constructor for class org.grouplens.lenskit.core.ScoreBasedItemRecommender: Deprecated.
ScoredId - Interface in org.grouplens.lenskit.scored: A numerical ID associated with a score and optional side channels.
ScoredIdBuilder - Class in org.grouplens.lenskit.scored: Use a ScoredId.Builder to instantiate new ScoredId objects.
ScoredIdBuilder() - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIdBuilder(long) - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIdBuilder(long, double) - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIds - Class in org.grouplens.lenskit.scored: Utility classes for working with scored IDs.
ScoredItemAccumulator - Interface in org.grouplens.lenskit.util: Accumulate a sorted list of scored items.
ScoredLongArrayList - Class in org.grouplens.lenskit.collections: Array-backed implementation of ScoredLongList.
ScoredLongArrayList() - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Create a new list with capacity of 10.
ScoredLongArrayList(int) - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Create a new list with a specified initial capacity.
ScoredLongArrayList(long[]) - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Create a new scored list with items from the given array and no scores.
ScoredLongArrayList(long[], double[]) - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Create a new scored list with itemList and scoreList from the given arrays.
ScoredLongArrayList(LongList, DoubleList) - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Construct a new scored list backed by pre-existing lists.
ScoredLongArrayList(List<ScoredId>) - Constructor for class org.grouplens.lenskit.collections.ScoredLongArrayList: Construct a scored list from a list of scored IDs.
ScoredLongList - Interface in org.grouplens.lenskit.collections: LongList that has double-valued scores for each entry.
ScoredLongListIterator - Interface in org.grouplens.lenskit.collections: Iterator for ScoredLongLists.
scoreItems(ItemItemModel, SparseVector, MutableSparseVector, NeighborhoodScorer) - Method in class org.grouplens.lenskit.knn.item.DefaultItemScoreAlgorithm
scoreItems(ItemItemModel, SparseVector, MutableSparseVector, NeighborhoodScorer) - Method in interface org.grouplens.lenskit.knn.item.ItemScoreAlgorithm: Score items for a user.
scorer - Variable in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender
scorer - Variable in class org.grouplens.lenskit.basic.TopNItemRecommender
scorer - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
scorer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
scoreVector() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
scoreVector() - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Return a sparse vector mapping items to scores.
SCRIPT_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
serialVersionUID - Static variable in class org.grouplens.lenskit.data.pref.PreferenceDomain
set(int, long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
set(int, Long) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
set(Class<? extends Annotation>) - Method in class org.grouplens.lenskit.config.BindingDSL
set(Class<? extends Annotation>) - Method in class org.grouplens.lenskit.core.AbstractConfigContext
set(Class<? extends Annotation>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Start a binding that sets a parameter.
set(int, int, double) - Method in class org.grouplens.lenskit.mf.funksvd.SparseMatrix
set(long, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set a value in the vector.
set(VectorEntry, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the value in the vector corresponding to a vector entry.
set(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the values in this SparseVector to equal the values in other for each key that is present in both vectors.
set(int, double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Set a value in this vector.
set(Vec) - Method in class org.grouplens.lenskit.vectors.MutableVec: Copy a vector into this vector.
set(double[]) - Method in class org.grouplens.lenskit.vectors.MutableVec: Copy an array into this vector.
setAction(Function<LenskitRecommender, T>) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Set the action to invoke.
setAlgoAttributes(Map<String, Object>) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setAlgoName(String) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setAlgorithm(LenskitAlgorithmInstance) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setAlgorithm(LenskitAlgorithmInstance) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Configure the algorithm.
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Set an attribute for this algorithm instance.
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Set an attribute for this algorithm instance.
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setCache(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Configure whether the data sets created by the crossfold will have caching turned on.
setCache(boolean) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Specify whether to cache ratings in memory.
setCommand(List<String>) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Set the command to run.
setDAOFactory(DAOFactory) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.

Set the DAO factory.
setDaoType(Class<? extends DataAccessObject>) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setDataAttributes(Map<String, Object>) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setDataName(String) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setDefaultTarget(String) - Method in class org.grouplens.lenskit.eval.EvalProject
setDelimiter(String) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set the input field delimiter.
setDifference(LongSet, LongSet) - Static method in class org.grouplens.lenskit.collections.LongSortedArraySet: Compute the set difference of two sets.
setDomain(PreferenceDomain) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set the preference domain for the data source.
setDomain(PreferenceDomain) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setEngine(EvalScriptEngine) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Set the engine this script should use.
setFile(File) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set the input file.
setFile(String) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set the input file by name.
setForce(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the force running option of the command.
setFraction(double) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the fraction of subsample to generate.
setHoldout(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout to a fixed number of items per user.
setHoldout(double) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Deprecated.
use CrossfoldTask.setHoldoutFraction(double) instead.
setHoldoutFraction(double) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout to a fraction of each user's profile.
setId(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's ID.
setId(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the event ID.
setId(long) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Change the ID of the ScoredID object under construction.
setIdColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the event ID column in the rating table.
setIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's index.
setInput(DataSource) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Specify the data source to train on.
setIsolate(boolean) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Control whether the train-test evaluator will isolate data sets.
setItem1(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
setItem2(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
setItemAverage(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
setItemColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the item ID column in the rating table.
setItemId(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's new item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setItemIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's item index.
setLayout(Layout<E>) - Method in class org.grouplens.lenskit.eval.maven.MavenLogAppender
setLog(Log) - Static method in class org.grouplens.lenskit.eval.maven.MavenLogAppender: Set the logger for the current thread.
setMaximum(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the maximum preference.
setMinimum(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the minimum preference.
setMode(SubsampleMode) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the mode of the subsample, it is user, item or rating.
setName(String) - Method in class org.grouplens.lenskit.eval.AbstractTask: Set this command's name.
setName(String) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
setName(String) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Set the algorithm name.
setName(String) - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Set the algorithm name.
setName(String) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set the data source name.
setName(String) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setNumRecs(int) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setOrder(Order<Rating>) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the order for the train-test splitting.
setOutput(String) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the output file name.
setOutput(File) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the output file for the sampled data.
setOutput(File) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setOutput(String) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setOutput()
setOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setOutputDelimiter(String) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Set the delimiter of the recommender's output file.
setOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setOutput()
setPartitions(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the number of partitions to generate.
setPrecision(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the preference precision.
setPredictOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setPredictOutput
setPredictOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setPredictOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setPredictOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setPredictOutput()
setPreload(boolean) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
setPreload(boolean) - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstanceBuilder: Set whether the algorithm wants ratings pre-loaded.
setProject(EvalProject) - Method in class org.grouplens.lenskit.eval.AbstractTask: Set the project this task is a member of.
setProject(EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Set the eval project to be configured by this script.
setRandom(Random) - Method in class org.grouplens.lenskit.eval.EvalProject: Set the project's random number generator.
setRating(double) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating value.
setRating(double) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the rating value.
setRatingColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the rating column in the rating table.
setRetain(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout from using the retain part to a fixed number of items.
setScore(int, double) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
setScore(int, double) - Method in interface org.grouplens.lenskit.collections.ScoredLongList: Set the score for the item at a position.
setScore(double) - Method in interface org.grouplens.lenskit.collections.ScoredLongListIterator: Set the score of the last item returned by a call to ListIterator.previous() or ListIterator.next() (optional operation).
setScore(double) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Change the score of the ScoredId object under construction.
setSingularValue(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Set the singular value for this feature.
setSnapshotting(boolean) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory: Set whether the JDBCRatingDAO.Factory.snapshot() method should take a snapshot or just return a collection.
setSource(DataSource) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the input data source.
setSource(DataSource) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the input data source.
setSplitUsers(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
setTableName(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the rating table.
setTest(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the pattern for the test set files.
setTest(DataSource) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's new timestamp.
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the timestamp.
setTimestampColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the timestamp column in the rating table.
setTrain(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the pattern for the training set files.
setTrain(DataSource) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setUserAverage(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
setUserColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the user ID column in the rating table.
setUserId(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setUserIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's user index.
setUserOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setUserOutput
setUserOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setUserOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setUserOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setUserOutput()
setUserProperty(String, String) - Method in class org.grouplens.lenskit.eval.EvalProject: Set a "user" property.
setValue(double) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's value.
setValue(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setWorkDir(File) - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstanceBuilder: Set the working directory for the external recommender.
setWrapper(Function<DAOFactory, DAOFactory>) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set a wrapper function for the constructed data sources.
setWrapper(Function<DAOFactory, DAOFactory>) - Method in class org.grouplens.lenskit.eval.data.CSVDataSourceBuilder: Set a wrapper function to apply to the resulting DAOs.
setWriteFile(File) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Specify a file to write.
Shareable - Annotation Type in org.grouplens.lenskit.core: Mark a component implementation as shareable.
SharedPreferenceSnapshot - Class in org.grouplens.lenskit.eval.traintest
SharedPreferenceSnapshot(PreferenceSnapshot) - Constructor for class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
shell - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
shrinkDomain() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new version of this MutableSparseVector that has keyDomain equal to this vector's key set.
SignificanceWeightedVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Apply significance weighting to a similarity function.
SignificanceWeightedVectorSimilarity(int, VectorSimilarity) - Constructor for class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
SigWeightThreshold - Annotation Type in org.grouplens.lenskit.vectors.similarity: The weight threshold for significance weighting.
similarity(long, SparseVector, long, SparseVector) - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Compute the similarity between two items.
similarity(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
similarity - Variable in class org.grouplens.lenskit.knn.user.Neighbor
similarity(long, SparseVector, long, SparseVector) - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Compute the similarity between two users.
similarity(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity: Compute similarity using mutual information.
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
similarity(SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Compute the similarity between two vectors.
SIMILARITY_COMPARATOR - Static variable in class org.grouplens.lenskit.knn.user.Neighbor: Comparator to order neighbors by similarity.
SimilarityDamping - Annotation Type in org.grouplens.lenskit.vectors.similarity: Damping parameter for similarity functions.
SimilarityMatrixModel - Class in org.grouplens.lenskit.knn.item.model: Item-item similarity model using an in-memory similarity matrix.
SimilarityMatrixModel(LongSortedSet, Long2ObjectMap<ImmutableSparseVector>) - Constructor for class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel: Construct a new item-item model.
SimilaritySumNeighborhoodScorer - Class in org.grouplens.lenskit.knn.item: Neighborhood scorer that computes the sum of neighborhood similarities.
SimilaritySumNeighborhoodScorer() - Constructor for class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer
SimpleEvaluator - Class in org.grouplens.lenskit.eval.traintest
SimpleEvaluator() - Constructor for class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Construct a simple evaluator.
SimpleEvaluator(Properties) - Constructor for class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Create a simple evaluator with a custom configuration.
SimpleFileRatingDAO - Class in org.grouplens.lenskit.data.dao: Rating-only data source backed by a simple delimited file.
SimpleFileRatingDAO(File, String, CompressionMode) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Create a URL reading from the specified file/URL and delimiter.
SimpleFileRatingDAO.Factory - Class in org.grouplens.lenskit.data.dao: Factory for opening DAOs from a file.
SimpleFileRatingDAO.Factory(File, String, CompressionMode) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory: Create a new DAO factory from a file.
SimpleFileRatingDAO.Factory(File, String) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory: Create a factory inferring compression from the file name.
SimpleFileRatingDAO.Factory(File) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory: Open a file with the delimiter read from the lenskit.delimiter property (defaults to "\t" if not found).
SimpleIndexedPreference - Class in org.grouplens.lenskit.data.pref: Basic indexed preference implementation that stores data in fields.
SimpleIndexedPreference(long, long, double, int, int, int) - Constructor for class org.grouplens.lenskit.data.pref.SimpleIndexedPreference: Construct a new indexed preference object.
SimpleIndexedPreference(IndexedPreference) - Constructor for class org.grouplens.lenskit.data.pref.SimpleIndexedPreference: Copy a preference object.
SimpleNeighborhoodFinder - Class in org.grouplens.lenskit.knn.user: Neighborhood finder that does a fresh search over the data source ever time.
SimpleNeighborhoodFinder(DataAccessObject, int, UserSimilarity, UserVectorNormalizer) - Constructor for class org.grouplens.lenskit.knn.user.SimpleNeighborhoodFinder: Construct a new user-user recommender.
SimpleNullRating - Class in org.grouplens.lenskit.data.event: Simple implementation of a null rating (unrate event).
SimpleNullRating(long, long, long) - Constructor for class org.grouplens.lenskit.data.event.SimpleNullRating: Deprecated.
Use RatingBuilder.
SimpleNullRating(long, long, long, long) - Constructor for class org.grouplens.lenskit.data.event.SimpleNullRating: Deprecated.
Use RatingBuilder.
SimplePreference - Class in org.grouplens.lenskit.data.pref: Basic preference implementation that stores data in fields.
SimplePreference(long, long, double) - Constructor for class org.grouplens.lenskit.data.pref.SimplePreference: Construct a new preference object.
SimplePreference(Preference) - Constructor for class org.grouplens.lenskit.data.pref.SimplePreference: Copy a preference object.
SimpleRating - Class in org.grouplens.lenskit.data.event: A simple rating immutable rating implementation, storing ratings in fields.
SimpleRating(long, Preference) - Constructor for class org.grouplens.lenskit.data.event.SimpleRating: Deprecated.
Use RatingBuilder.
SimpleRating(long, long, Preference) - Constructor for class org.grouplens.lenskit.data.event.SimpleRating: Deprecated.
Use RatingBuilder.
SimpleRating(long, long, long, double) - Constructor for class org.grouplens.lenskit.data.event.SimpleRating: Deprecated.
Use RatingBuilder.
SimpleRating(long, long, long, double, long) - Constructor for class org.grouplens.lenskit.data.event.SimpleRating: Deprecated.
Use RatingBuilder.
SimpleRatingPredictor - Class in org.grouplens.lenskit.basic: Basic RatingPredictor backed by an ItemScorer.
SimpleRatingPredictor(DataAccessObject, ItemScorer, BaselinePredictor, PreferenceDomain) - Constructor for class org.grouplens.lenskit.basic.SimpleRatingPredictor
SimpleRatingPredictor.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for simple rating predictors.
SimpleRatingPredictor.Provider(DataAccessObject, ItemScorer, BaselinePredictor, PreferenceDomain) - Constructor for class org.grouplens.lenskit.basic.SimpleRatingPredictor.Provider
simulate() - Method in class org.grouplens.lenskit.core.RecommenderInstantiator: Simulate instantiating a graph.
simulateInstantiation(Graph) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
Use RecommenderInstantiator.simulate().
size() - Method in class org.grouplens.lenskit.collections.IntIntervalList
size() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
size(int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
size() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
size() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
size() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Get the number of items in the accumulator.
size() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
size() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
size() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the size of this vector (the number of keys).
size() - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
size() - Method in class org.grouplens.lenskit.vectors.Vec: Get the dimension of this vector (the number of elements).
SKIP_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
SlopeOneItemScorer - Class in org.grouplens.lenskit.slopeone: An ItemScorer that implements the Slope One algorithm.
SlopeOneItemScorer(DataAccessObject, SlopeOneModel, PreferenceDomain) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
SlopeOneModel - Class in org.grouplens.lenskit.slopeone: A model for a SlopeOneItemScorer or WeightedSlopeOneItemScorer.
SlopeOneModel(Long2ObjectMap<ImmutableSparseVector>) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModel
SlopeOneModelBuilder - Class in org.grouplens.lenskit.slopeone: Pre-computes the deviations and number of mutual rating users for every pair of items and stores the results in a DeviationMatrix and CoratingMatrix.
SlopeOneModelBuilder(DataAccessObject, ItemItemBuildContextFactory, double) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModelBuilder
SlopeOneModelDataAccumulator - Class in org.grouplens.lenskit.slopeone
SlopeOneModelDataAccumulator(double, DataAccessObject) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator: Creates an accumulator to process rating data and generate the necessary data for a SlopeOneItemScorer.
SlopeOneRecommender - Class in org.grouplens.lenskit.slopeone: Deprecated.
Just use TopNItemRecommender.
SlopeOneRecommender(DataAccessObject, SlopeOneItemScorer) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneRecommender: Deprecated.

Construct a new recommender from a scorer.
snapshot() - Method in interface org.grouplens.lenskit.data.dao.DAOFactory: Create a snapshot DAO.
snapshot() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.Factory
snapshot() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.SoftFactory
snapshot() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO.Factory
snapshot() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO.Factory
snapshot - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
SoftLazyValue<T> - Class in org.grouplens.lenskit.util: A thread-safe lazy value class using soft references.
SoftLazyValue(Supplier<T>) - Constructor for class org.grouplens.lenskit.util.SoftLazyValue: Create a lazy value whose value will be provided by a callable.
sort(DoubleComparator) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: Sort the entries of this list by score.
sort(Cursor<T>, Comparator<? super T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Sort a cursor.
SortOrder - Enum in org.grouplens.lenskit.data.dao
SparseMatrix - Class in org.grouplens.lenskit.mf.funksvd
SparseMatrix() - Constructor for class org.grouplens.lenskit.mf.funksvd.SparseMatrix
SparseMatrix(int) - Constructor for class org.grouplens.lenskit.mf.funksvd.SparseMatrix
SparseVector - Class in org.grouplens.lenskit.vectors: Read-only interface to sparse vectors.
SpearmanRankCorrelation - Class in org.grouplens.lenskit.vectors.similarity: Similarity function using Spearman rank correlation.
SpearmanRankCorrelation(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
SpearmanRankCorrelation() - Constructor for class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
splitClosure(Object[]) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker: Split an array of arguments into arguments a trailing closure.
splitUsers(DataAccessObject) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Split users ids to n splits, where n is the partitionCount
SQLStatementFactory - Interface in org.grouplens.lenskit.data.sql: Interface for producing sql strings rating DAO queries.
startBuildTimer() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Start the algorithm's build timer.
startEvaluation(E) - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
startEvaluation(E) - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Initialize the metric to accumulate evaluations for the specified evaluation.
startEvaluation(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
startEvaluation(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
startTestTimer() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Start the algorithm's test timer.
StoppingCondition - Interface in org.grouplens.lenskit.iterative: Stopping condition for iterative updates
StoppingThreshold - Annotation Type in org.grouplens.lenskit.iterative: Stopping threshold.
subList(int, int) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
subList(int, int) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
submit(Runnable) - Method in class org.grouplens.lenskit.util.parallel.TaskGroupRunner
submitAll(Collection<? extends Runnable>) - Method in class org.grouplens.lenskit.util.parallel.TaskGroupRunner
SubsampleMode - Enum in org.grouplens.lenskit.eval.data.subsample: The mode of the subsample file.
SubsampleTask - Class in org.grouplens.lenskit.eval.data.subsample: The command to build and run a Subsample on the data source file and output the partition files
SubsampleTask() - Constructor for class org.grouplens.lenskit.eval.data.subsample.SubsampleTask
SubsampleTask(String) - Constructor for class org.grouplens.lenskit.eval.data.subsample.SubsampleTask
subSet(long, long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
subtract(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Subtract another rating vector from this one.
sum() - Method in interface org.grouplens.lenskit.util.table.Column: Get the sum of this column.
sum() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
sum() - Method in class org.grouplens.lenskit.vectors.ImmutableVec
sum() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the L1 norm (sum) of the vector.
sum() - Method in class org.grouplens.lenskit.vectors.Vec: Get the sum of this vector.
summarize(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
summarize(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
summarize(UserHistory<? extends Event>) - Method in interface org.grouplens.lenskit.data.history.UserHistorySummarizer: Compute a vector summary of a user's history.
summarizeFeature(double[], double[], FeatureInfo.Builder) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Add a feature's summary to the feature info builder.
summarizer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
supplier(TTDataSet) - Static method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot: Construct a supplier of a snapshot of the training data from a data set.
Symbol - Class in org.grouplens.lenskit.symbols: Interface to persistent symbols.

T

Table - Interface in org.grouplens.lenskit.util.table: This is the interface for the in memory table which stores a list of rows.
TableBuilder - Class in org.grouplens.lenskit.util.table: Builder to construct tables.
TableBuilder(TableLayout) - Constructor for class org.grouplens.lenskit.util.table.TableBuilder: Construct a new builder using a particular layout.
TableBuilder(List<String>) - Constructor for class org.grouplens.lenskit.util.table.TableBuilder
TableLayout - Class in org.grouplens.lenskit.util.table: A layout for a table to be written.
TableLayoutBuilder - Class in org.grouplens.lenskit.util.table: Construct a layout for a table.
TableLayoutBuilder() - Constructor for class org.grouplens.lenskit.util.table.TableLayoutBuilder
TableWriter - Interface in org.grouplens.lenskit.util.table.writer: Write rows to a table.
TableWriters - Class in org.grouplens.lenskit.util.table.writer: Utility methods for table writers.
TableWriters() - Constructor for class org.grouplens.lenskit.util.table.writer.TableWriters
tailSet(long) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
target - Variable in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
target(String, Closure<?>) - Method in class org.grouplens.lenskit.eval.script.EvalScript
TargetDelegate - Class in org.grouplens.lenskit.eval.script: Delegate to build a target.
TargetDelegate(Target) - Constructor for class org.grouplens.lenskit.eval.script.TargetDelegate
TaskExecutionException - Exception in org.grouplens.lenskit.eval: The exception thrown from the failure of call() in Commmand
TaskExecutionException() - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(String) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(Throwable) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(String, Throwable) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskGroupRunner - Class in org.grouplens.lenskit.util.parallel: Execute a collection of tasks.
testAlgorithmAccuracy() - Method in class org.grouplens.lenskit.test.CrossfoldTestSuite
testFailure(Failure) - Method in class org.grouplens.lenskit.util.test.LoggingListener
testFinished(Description) - Method in class org.grouplens.lenskit.util.test.LoggingListener
testStarted(Description) - Method in class org.grouplens.lenskit.util.test.LoggingListener
TestUser - Class in org.grouplens.lenskit.eval.traintest: A user in a test set, with the results of their recommendations or predictions.
TestUser(long, Supplier<UserHistory<Event>>, Supplier<UserHistory<Event>>, Supplier<SparseVector>, Supplier<ScoredLongList>) - Constructor for class org.grouplens.lenskit.eval.traintest.TestUser: Construct a new test user.
TestUserMetric - Interface in org.grouplens.lenskit.eval.metrics: Interface for prediction and recommendation accuracy evaluators.
TestUserMetricAccumulator - Interface in org.grouplens.lenskit.eval.metrics
THREAD_COUNT_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
Threshold - Interface in org.grouplens.lenskit.transform.threshold: Determine whether similarity values should be accepted into or rejected from similarity models.
ThresholdStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop when absolute delta drops below a threshold.
ThresholdStoppingCondition(double, int) - Constructor for class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Construct a new threshold stop.
ThresholdStoppingCondition(double) - Constructor for class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Create a new threshold stop with no minimum iteration count.
ThresholdTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that will retain entries with values that are accepted by some Threshold.
ThresholdTruncator(Threshold) - Constructor for class org.grouplens.lenskit.transform.truncate.ThresholdTruncator
ThresholdValue - Annotation Type in org.grouplens.lenskit.transform.threshold: Threshold value for transformations.
throwErrors() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
TIMESTAMP_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two events by timestamp.
TimestampOrder<E extends Event> - Class in org.grouplens.lenskit.eval.data.crossfold: Order an event sequence by timestamp.
TimestampOrder() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.TimestampOrder
toArray() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
toArray(T[]) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
toArray(long[]) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
toArray() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
toArray(T[]) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
toLongArray(long[]) - Method in class org.grouplens.lenskit.collections.LongSortedArraySet
toLongArray() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
toLongArray(long[]) - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
TopNGlobalItemRecommender - Class in org.grouplens.lenskit.basic: A global item recommender that recommends the top N items from a scorer.
TopNGlobalItemRecommender(DataAccessObject, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNGlobalItemRecommender
TopNGlobalItemRecommender.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for Top-N global recommenders.
TopNGlobalItemRecommender.Provider(DataAccessObject, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNGlobalItemRecommender.Provider
TopNItemRecommender - Class in org.grouplens.lenskit.basic: Recommender that recommends the top N items by a scorer.
TopNItemRecommender(DataAccessObject, ItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNItemRecommender
TopNItemRecommender.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for Top-N recommenders.
TopNItemRecommender.Provider(DataAccessObject, ItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNItemRecommender.Provider
TopNScoredItemAccumulator - Class in org.grouplens.lenskit.util: Accumulate the top N scored IDs.
TopNScoredItemAccumulator(int) - Constructor for class org.grouplens.lenskit.util.TopNScoredItemAccumulator: Create a new accumulator to accumulate the top n IDs.
TopNTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that will retain the top n entries.
TopNTruncator(int, Threshold) - Constructor for class org.grouplens.lenskit.transform.truncate.TopNTruncator
TopNTruncator(int) - Constructor for class org.grouplens.lenskit.transform.truncate.TopNTruncator
toString() - Method in class org.grouplens.lenskit.baseline.ConstantPredictor
toString() - Method in class org.grouplens.lenskit.baseline.ItemMeanPredictor
toString() - Method in class org.grouplens.lenskit.baseline.UserMeanPredictor
toString() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList
toString() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
toString() - Method in class org.grouplens.lenskit.data.pref.Preference
toString() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
toString() - Method in class org.grouplens.lenskit.eval.algorithm.ExternalAlgorithmInstance
toString() - Method in class org.grouplens.lenskit.eval.algorithm.LenskitAlgorithmInstance
toString() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
toString() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
toString() - Method in class org.grouplens.lenskit.eval.EvalAntTask
toString() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition
toString() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition
toString() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition
toString() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
toString() - Method in class org.grouplens.lenskit.symbols.Symbol
toString() - Method in class org.grouplens.lenskit.symbols.TypedSymbol
toString() - Method in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
toString() - Method in class org.grouplens.lenskit.util.statistics.AverageAccumulator
toString() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
toString() - Method in class org.grouplens.lenskit.vectors.SparseVector
toString() - Method in class org.grouplens.lenskit.vectors.VectorEntry
trainFeature(int, TrainingEstimator, double[], double[], FeatureInfo.Builder) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Train a feature using a collection of ratings.
TrainingEstimator - Class in org.grouplens.lenskit.mf.funksvd: Rating estimates used while training the predictor.
TrainingLoopController - Interface in org.grouplens.lenskit.iterative: Training Loop controller for iterative updates
TrainModelTask<T> - Class in org.grouplens.lenskit.eval: Train a recommender algorithm and process it with a function.
TrainModelTask() - Constructor for class org.grouplens.lenskit.eval.TrainModelTask
TrainModelTask(String) - Constructor for class org.grouplens.lenskit.eval.TrainModelTask
TrainTestEvalTask - Class in org.grouplens.lenskit.eval.traintest: The command that run the algorithm instance and output the prediction result file and the evaluation result file
TrainTestEvalTask() - Constructor for class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
TrainTestEvalTask(String) - Constructor for class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
transform(Pointer<T>, Function<? super T, ? extends R>) - Static method in class org.grouplens.lenskit.collections.Pointers: Transform a pointer.
transform(Cursor<S>, Function<? super S, ? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Transform a cursor's values.
Transient - Annotation Type in org.grouplens.lenskit.core: Mark a component dependency as transient.
trim() - Method in class org.grouplens.lenskit.collections.ScoredLongArrayList: If the underlying lists are array lists, trim them to capacity.
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.NoOpTruncator
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.ThresholdTruncator
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.TopNTruncator
truncate(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.truncate.VectorTruncator: Truncate a vector, removing any entries that do not satisfy some condition.
TTDataSet - Interface in org.grouplens.lenskit.eval.data.traintest: Interface for train-test data sets.
typeClosure(Class<?>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Return the supertype closure of a type (the type and all its transitive supertypes).
TypedSideChannel<V> - Class in org.grouplens.lenskit.vectors
TypedSymbol<K> - Class in org.grouplens.lenskit.symbols: A symbol associated with a particular type.
TypeUtils - Class in org.grouplens.lenskit.util: Various type utilities used in LensKit.
TypeUtils() - Constructor for class org.grouplens.lenskit.util.TypeUtils

U

unapply(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorTransformation: Unapply the vector transformation in-place on a transformed vector.
union(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Iterate over the union of two vectors (the keys set in either).
UnitVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Vector normalizer that scales a vector by the factor needed to scale the reference vector to a unit vector.
UnitVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer: Create a unit vector normalizer with a tolerance of 1.0e-6.
UnitVectorNormalizer(double) - Constructor for class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer: Create a unit vector normalizer a specified tolerance around 0.
UnlimitedScoredItemAccumulator - Class in org.grouplens.lenskit.util: Scored item accumulator with no upper bound.
UnlimitedScoredItemAccumulator() - Constructor for class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
unsafeArray() - Method in class org.grouplens.lenskit.collections.LongSortedArraySet: Get this set as an array.
unset(long) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Unset the value for a key.
unset(VectorEntry) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Unset the value for a vector entry.
UnsupportedQueryException - Exception in org.grouplens.lenskit.data.dao: Exception thrown when a data source receives an unsupported query.
UnsupportedQueryException() - Constructor for exception org.grouplens.lenskit.data.dao.UnsupportedQueryException: Create a new exception.
UnsupportedQueryException(String) - Constructor for exception org.grouplens.lenskit.data.dao.UnsupportedQueryException: Create a new exception with a message.
unwrapExecutionException(ExecutionException) - Static method in class org.grouplens.lenskit.util.parallel.ExecHelpers: Extract the cause exception for an execution exception if possible.
update(double[], double[]) - Method in class org.grouplens.lenskit.mf.funksvd.TrainingEstimator: Update the current estimates with trained values for a new feature.
UpToDateChecker - Class in org.grouplens.lenskit.util.io: Utility class for detecting if a file is up-to-date.
UpToDateChecker() - Constructor for class org.grouplens.lenskit.util.io.UpToDateChecker
usedKeys - Variable in class org.grouplens.lenskit.vectors.TypedSideChannel
user - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
user - Variable in class org.grouplens.lenskit.knn.user.Neighbor
USER_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two events by user, then timestamp.
UserHistory<E extends Event> - Interface in org.grouplens.lenskit.data: Represents a user profile, associating an immutable list of events with a user.
UserHistorySummarizer - Interface in org.grouplens.lenskit.data.history: Summarize user histories as real-valued vectors.
userIndex() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
userIndex() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the user ID index.
userIndex() - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
UserMeanPredictor - Class in org.grouplens.lenskit.baseline: Rating scorer that returns the user's average rating for all predictions.
UserMeanPredictor(double, double, ImmutableSparseVector) - Constructor for class org.grouplens.lenskit.baseline.UserMeanPredictor: Construct a scorer that computes user means offset by the global mean.
UserMeanPredictor.Builder - Class in org.grouplens.lenskit.baseline: A builder that creates UserMeanPredictors.
UserMeanPredictor.Builder(DataAccessObject, double) - Constructor for class org.grouplens.lenskit.baseline.UserMeanPredictor.Builder: Create a new user mean predictor.
userPreferenceVector(Collection<? extends Preference>) - Static method in class org.grouplens.lenskit.data.pref.Preferences: Compute a user preference vector.
userRatingVector(Collection<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating vector that contains the ratings provided for each item.
userRatingVector(Cursor<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Extract a user rating vector from a rating cursor.
userRatingVector(long) - Method in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot
userRatingVector(long) - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the current preferences of a particular user in SparseVector form.
userRatingVector(long) - Method in class org.grouplens.lenskit.eval.traintest.SharedPreferenceSnapshot
UserSimilarity - Interface in org.grouplens.lenskit.knn.user: Compute the similarity between two users.
userUpdate(double, double, double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Compute the update for a user feature value from error & feature values.
UserUserItemScorer - Class in org.grouplens.lenskit.knn.user
UserUserItemScorer(DataAccessObject, NeighborhoodFinder, UserVectorNormalizer) - Constructor for class org.grouplens.lenskit.knn.user.UserUserItemScorer
UserUserRecommender - Class in org.grouplens.lenskit.knn.user: Deprecated.
Just use TopNItemRecommender.
UserUserRecommender(DataAccessObject, UserUserItemScorer) - Constructor for class org.grouplens.lenskit.knn.user.UserUserRecommender: Deprecated.
UserVectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalize a user's vector.
UserVectorSimilarity - Class in org.grouplens.lenskit.knn.user: Implementation of UserSimilarity that delegates to a vector similarity.
UserVectorSimilarity(VectorSimilarity) - Constructor for class org.grouplens.lenskit.knn.user.UserVectorSimilarity
UseTrailingEstimate - Annotation Type in org.grouplens.lenskit.mf.funksvd: Whether to use a "trailing" estimate (estimate contribution from unprocessed features) of 0 or the initial feature value.

V

value - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
value(String) - Method in interface org.grouplens.lenskit.util.table.Row: Get the value at a particular column.
value(int) - Method in interface org.grouplens.lenskit.util.table.Row: Get the value at a particular column.
ValueArrayQuantizer - Class in org.grouplens.lenskit.transform.quantize: Abstract quantizer implementation using a pre-generated array of possible values.
ValueArrayQuantizer(double[]) - Constructor for class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: Construct a new quantizer using the specified array of values.
valueOf(String) - Static method in enum org.grouplens.lenskit.data.dao.SortOrder: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.vectors.VectorEntry.State: Returns the enum constant of this type with the specified name.
values() - Static method in enum org.grouplens.lenskit.data.dao.SortOrder: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Returns an array containing the constants of this enum type, in the order they are declared.
values - Variable in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: The values to quantize to.
values() - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the collection of values of this vector.
values - Variable in class org.grouplens.lenskit.vectors.TypedSideChannel
values() - Static method in enum org.grouplens.lenskit.vectors.VectorEntry.State: Returns an array containing the constants of this enum type, in the order they are declared.
Vec - Class in org.grouplens.lenskit.vectors: A real vector.
vec1 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
vec2 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
vector - Variable in class org.grouplens.lenskit.knn.user.Neighbor
VectorEntry - Class in org.grouplens.lenskit.vectors: An entry in a sparse vector.
VectorEntry(long, double) - Constructor for class org.grouplens.lenskit.vectors.VectorEntry: Construct a new vector entry.
VectorEntry.State - Enum in org.grouplens.lenskit.vectors: The state of an entry in a sparse vector.
VectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalize vectors by applying a reversible transformation with respect to a reference vector.
Vectors - Class in org.grouplens.lenskit.vectors: Utility methods for interacting with vectors.
Vectors.EntryPair - Class in org.grouplens.lenskit.vectors: Deprecated.
Use Vectors.intersect(SparseVector, SparseVector).
Vectors.EntryPair(long, double, double) - Constructor for class org.grouplens.lenskit.vectors.Vectors.EntryPair: Deprecated.

Construct an entry pair with a key & values.
VectorSimilarity - Interface in org.grouplens.lenskit.vectors.similarity: Compute the similarity between two objects (typically rating vectors).
VectorTransformation - Interface in org.grouplens.lenskit.transform.normalize: Reversible in-place vector transformations.
VectorTruncator - Interface in org.grouplens.lenskit.transform.truncate: Component that truncates vectors.

W

waitAll(List<Future<?>>) - Static method in class org.grouplens.lenskit.util.parallel.ExecHelpers: Wait for all futures to finish.
waitForAll() - Method in class org.grouplens.lenskit.util.parallel.TaskGroupRunner
wantedType - Variable in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
WeightedAverageNeighborhoodScorer - Class in org.grouplens.lenskit.knn.item: Neighborhood scorer that computes the weighted average of neighbor scores.
WeightedAverageNeighborhoodScorer() - Constructor for class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
WeightedSlopeOneItemScorer - Class in org.grouplens.lenskit.slopeone: An ItemScorer that implements a weighted Slope One algorithm.
WeightedSlopeOneItemScorer(DataAccessObject, SlopeOneModel, PreferenceDomain) - Constructor for class org.grouplens.lenskit.slopeone.WeightedSlopeOneItemScorer
withDomain(LongSet) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new version of this MutableSparseVector that has a different domain from the current version of the vector.
withDomain(LongSet) - Method in class org.grouplens.lenskit.vectors.TypedSideChannel
within(Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Class<? extends Annotation>, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Annotation, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.ContextWrapper
within(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
within(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineFactory: Deprecated.
workDir - Variable in class org.grouplens.lenskit.test.CrossfoldTestSuite
wrap(long[], int) - Static method in class org.grouplens.lenskit.collections.LongSortedArraySet: Wrap an array set around an array of values.
wrap(long[]) - Static method in class org.grouplens.lenskit.collections.LongSortedArraySet: Wrap an existing array without change.
wrap(long[], BitSet) - Static method in class org.grouplens.lenskit.collections.LongSortedArraySet: Wrap an existing array with a mask.
wrap(long[], int, BitSet) - Static method in class org.grouplens.lenskit.collections.LongSortedArraySet: Wrap an array set around an array of values with a mask.
wrap(Iterator<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Wrap an iterator in a cursor.
wrap(Collection<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Wrap a collection in a cursor.
wrap(LongIterator) - Static method in class org.grouplens.lenskit.cursors.Cursors: Wrap a long iterator in a cursor.
wrap(LongCollection) - Static method in class org.grouplens.lenskit.cursors.Cursors: Construct a cursor over a collection.
wrap(DAOFactory) - Static method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.Factory: Wrap another factory by reading its event list.
wrap(DAOFactory) - Static method in class org.grouplens.lenskit.data.dao.EventCollectionDAO.SoftFactory: Construct a factory wrapping another DAO factory.
wrap(long[], double[]) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value arrays in a sparse vector.
wrap(long[], double[], int) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value arrays in a sparse vector.
wrap(LongArrayList, DoubleArrayList) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value array lists in a mutable sparse vector.
wrap(double[]) - Static method in class org.grouplens.lenskit.vectors.MutableVec: Create a new vector wrapping an existing array.
wrapUnsorted(long[], double[]) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new MutableSparseVector from unsorted key and value arrays.
write(File) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Write the state of this LenskitRecommenderEngine to the given file so that it can be recreated later using another DAOFactory.
write(OutputStream) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Write the state of this LenskitRecommenderEngine to the given stream so that it can be recreated later using another DAOFactory.
writeRating(TableWriter, Rating) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Writing a rating event to the file using table writer
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.TableBuilder
writeRow(Object...) - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: Write a row to the table.
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
writeRow(Object[]) - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
writeRow(Object...) - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Write a row to the table.
writeRow(List<?>) - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Write a row to the table.
writeTTFilesByRatings(TableWriter[], TableWriter[], DataAccessObject) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write the split files by Ratings from the DAO
writeTTFilesByUsers(TableWriter[], TableWriter[], DataAccessObject) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write the split files by Users from the DAO using specified holdout method

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