Serialized Form (LensKit 2.1-SNAPSHOT)

Package org.grouplens.lenskit
- Class org.grouplens.lenskit.RecommenderBuildException extends java.lang.Exception implements Serializable
Package org.grouplens.lenskit.baseline
- Class org.grouplens.lenskit.baseline.ConstantItemScorer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - value
```
double value
```
- Class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer extends ConstantItemScorer implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer extends AbstractItemScorer implements Serializable
  
  serialVersionUID:
  
  3L
  - Serialized Fields
    - itemMeans
```
ImmutableSparseVector itemMeans
```
    - globalMean
```
double globalMean
```
    - damping
```
double damping
```
- Class org.grouplens.lenskit.baseline.LeastSquaresItemScorer extends AbstractItemScorer implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - userOffsets
```
ImmutableSparseVector userOffsets
```
    - itemOffsets
```
ImmutableSparseVector itemOffsets
```
    - mean
```
double mean
```
Package org.grouplens.lenskit.collections
- Class org.grouplens.lenskit.collections.LongKeyDomain extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - keys
```
long[] keys
```
    - domainSize
```
int domainSize
```
    - mask
```
java.util.BitSet mask
```
    - unowned
```
boolean unowned
```
Package org.grouplens.lenskit.core
- Class org.grouplens.lenskit.core.RecommenderConfigurationException extends RecommenderBuildException implements Serializable
Package org.grouplens.lenskit.data.dao
- Class org.grouplens.lenskit.data.dao.DataAccessException extends java.lang.RuntimeException implements Serializable
Package org.grouplens.lenskit.data.dao.packed
- Class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  -1L
  - Serialization Methods
    - readObject
```
private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException
```
      Throws:
      
      java.io.IOException
    - writeReplace
```
private java.lang.Object writeReplace()
```
  - Serialized Fields
    - header
```
org.grouplens.lenskit.data.dao.packed.BinaryHeader header
```
    - ratingData
```
java.nio.ByteBuffer ratingData
```
    - userTable
```
org.grouplens.lenskit.data.dao.packed.BinaryIndexTable userTable
```
    - itemTable
```
org.grouplens.lenskit.data.dao.packed.BinaryIndexTable itemTable
```
- Class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO.Loader extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - dataFile
```
java.io.File dataFile
```
- Class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
BinaryRatingDAO delegate
```
Package org.grouplens.lenskit.data.history
- Class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
Package org.grouplens.lenskit.data.pref
- Class org.grouplens.lenskit.data.pref.PreferenceDomain extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - minimum
```
double minimum
```
    - maximum
```
double maximum
```
    - precision
```
double precision
```
Package org.grouplens.lenskit.data.sql
- Class org.grouplens.lenskit.data.sql.DatabaseAccessException extends DataAccessException implements Serializable
Package org.grouplens.lenskit.eval
- Class org.grouplens.lenskit.eval.ExecutionInfo extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - algoName
```
java.lang.String algoName
```
    - algoAttributes
```
java.util.Map<K,V> algoAttributes
```
    - dataName
```
java.lang.String dataName
```
    - dataAttributes
```
java.util.Map<K,V> dataAttributes
```
- Class org.grouplens.lenskit.eval.TaskExecutionException extends java.lang.Exception implements Serializable
  
  serialVersionUID:
  
  -9073424874249517829L
Package org.grouplens.lenskit.indexes
- Class org.grouplens.lenskit.indexes.IdIndexMapping extends java.lang.Object implements Serializable
- Class org.grouplens.lenskit.indexes.MutableIdIndexMapping extends IdIndexMapping implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - indexes
```
Long2IntMap indexes
```
    - ids
```
LongArrayList ids
```
Package org.grouplens.lenskit.inject
- Class org.grouplens.lenskit.inject.PlaceholderSatisfaction extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  -1L
  - Serialization Methods
    - writeReplace
```
private java.lang.Object writeReplace()
```
  - Serialized Fields
    - removedType
```
java.lang.Class<T> removedType
```
Package org.grouplens.lenskit.iterative
- Class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialized Fields
    - threshold
```
double threshold
```
    - minIterations
```
int minIterations
```
- Class org.grouplens.lenskit.iterative.IterationCountStoppingCondition extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - iterCount
```
int iterCount
```
- Class org.grouplens.lenskit.iterative.ThresholdStoppingCondition extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - threshold
```
double threshold
```
    - minIterations
```
int minIterations
```
Package org.grouplens.lenskit.knn.item
- Class org.grouplens.lenskit.knn.item.ItemVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
VectorSimilarity delegate
```
- Class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
Package org.grouplens.lenskit.knn.item.model
- Class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - items
```
LongKeyDomain items
```
    - itemVectors
```
SparseVector[] itemVectors
```
    - userItems
```
Long2ObjectMap<V> userItems
```
- Class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  3L
  - Serialized Fields
    - itemDomain
```
LongKeyDomain itemDomain
```
    - neighborhoods
```
java.util.List<E> neighborhoods
```
Package org.grouplens.lenskit.knn.user
- Class org.grouplens.lenskit.knn.user.SimpleNeighborhoodFinder extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialized Fields
    - userDAO
```
UserEventDAO userDAO
```
    - itemDAO
```
ItemEventDAO itemDAO
```
    - neighborhoodSize
```
int neighborhoodSize
```
    - similarity
```
UserSimilarity similarity
```
    - normalizer
```
UserVectorNormalizer normalizer
```
    - userThreshold
```
Threshold userThreshold
```
- Class org.grouplens.lenskit.knn.user.SnapshotNeighborhoodFinder extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
SimpleNeighborhoodFinder delegate
```
- Class org.grouplens.lenskit.knn.user.UserVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
VectorSimilarity delegate
```
Package org.grouplens.lenskit.mf.funksvd
- Class org.grouplens.lenskit.mf.funksvd.FeatureInfo extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - feature
```
int feature
```
    - userAverage
```
double userAverage
```
    - itemAverage
```
double itemAverage
```
    - singularValue
```
double singularValue
```
    - trainingErrors
```
DoubleList trainingErrors
```
- Class org.grouplens.lenskit.mf.funksvd.FunkSVDModel extends MFModel implements Serializable
  
  serialVersionUID:
  
  3L
  - Serialized Fields
    - featureInfo
```
java.util.List<E> featureInfo
```
    - averageUser
```
mikera.vectorz.AVector averageUser
```
- Class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialized Fields
    - learningRate
```
double learningRate
```
    - trainingRegularization
```
double trainingRegularization
```
    - baseline
```
ItemScorer baseline
```
    - stoppingCondition
```
StoppingCondition stoppingCondition
```
    - domain
```
PreferenceDomain domain
```
Package org.grouplens.lenskit.mf.svd
- Class org.grouplens.lenskit.mf.svd.DomainClampingKernel extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - domain
```
PreferenceDomain domain
```
- Class org.grouplens.lenskit.mf.svd.DotProductKernel extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.mf.svd.MFModel extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialization Methods
    - readObject
```
private void readObject(java.io.ObjectInputStream input)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException
```
      Throws:
      
      java.io.IOException
      
      java.lang.ClassNotFoundException
    - writeObject
```
private void writeObject(java.io.ObjectOutputStream out)
                  throws java.io.IOException
```
      Throws:
      
      java.io.IOException
  - Serialized Fields
    - featureCount
```
int featureCount
```
    - userCount
```
int userCount
```
    - itemCount
```
int itemCount
```
    - userMatrix
```
mikera.matrixx.impl.ImmutableMatrix userMatrix
```
    - itemMatrix
```
mikera.matrixx.impl.ImmutableMatrix itemMatrix
```
    - userIndex
```
IdIndexMapping userIndex
```
    - itemIndex
```
IdIndexMapping itemIndex
```
Package org.grouplens.lenskit.scored
- Class org.grouplens.lenskit.scored.PackedScoredIdList extends java.util.AbstractList<ScoredId> implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialization Methods
    - readObject
```
private void readObject(java.io.ObjectInputStream in)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException
```
      Do some light validation of the scored ID list.
      
      Throws:
      
      java.io.IOException
      
      java.lang.ClassNotFoundException
  - Serialized Fields
    - ids
```
long[] ids
```
    - scores
```
double[] scores
```
    - unboxedChannels
```
java.util.Map<K,V> unboxedChannels
```
    - channels
```
java.util.Map<K,V> channels
```
Package org.grouplens.lenskit.slopeone
- Class org.grouplens.lenskit.slopeone.SlopeOneModel extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - matrix
```
Long2ObjectMap<V> matrix
```
Package org.grouplens.lenskit.symbols
- Class org.grouplens.lenskit.symbols.Symbol extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialization Methods
    - readResolve
```
private java.lang.Object readResolve()
                              throws java.io.ObjectStreamException
```
      Throws:
      
      java.io.ObjectStreamException
  - Serialized Fields
    - name
```
java.lang.String name
```
- Class org.grouplens.lenskit.symbols.TypedSymbol extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialization Methods
    - readResolve
```
private java.lang.Object readResolve()
                              throws java.io.ObjectStreamException
```
      Throws:
      
      java.io.ObjectStreamException
  - Serialized Fields
    - type
```
java.lang.Class<T> type
```
    - symbol
```
Symbol symbol
```
Package org.grouplens.lenskit.transform.clamp
- Class org.grouplens.lenskit.transform.clamp.IdentityClampingFunction extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.transform.clamp.RatingRangeClampingFunction extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - domain
```
PreferenceDomain domain
```
Package org.grouplens.lenskit.transform.normalize
- Class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer extends AbstractUserVectorNormalizer implements Serializable
  
  serialVersionUID:
  
  3L
  - Serialized Fields
    - baselineScorer
```
ItemScorer baselineScorer
```
- Class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
VectorNormalizer delegate
```
- Class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - delegate
```
VectorNormalizer delegate
```
- Class org.grouplens.lenskit.transform.normalize.IdentityVectorNormalizer extends AbstractVectorNormalizer implements Serializable
  
  serialVersionUID:
  
  -6708410675383598691L
- Class org.grouplens.lenskit.transform.normalize.MeanCenteringVectorNormalizer extends AbstractVectorNormalizer implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer extends AbstractVectorNormalizer implements Serializable
  
  serialVersionUID:
  
  -7890335060797112954L
  - Serialized Fields
    - damping
```
double damping
```
    - globalVariance
```
double globalVariance
```
- Class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer extends AbstractVectorNormalizer implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - tolerance
```
double tolerance
```
Package org.grouplens.lenskit.transform.quantize
- Class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer extends ValueArrayQuantizer implements Serializable
  
  serialVersionUID:
  
  8258336921679357985L
  - Serialized Fields
    - domain
```
PreferenceDomain domain
```
- Class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2150927895689488171L
  - Serialized Fields
    - values
```
mikera.vectorz.impl.ImmutableVector values
```
      The values to quantize to. Subclasses must not modify this array after the object has been constructed.
Package org.grouplens.lenskit.transform.threshold
- Class org.grouplens.lenskit.transform.threshold.AbsoluteThreshold extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - value
```
double value
```
- Class org.grouplens.lenskit.transform.threshold.NoThreshold extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.transform.threshold.RealThreshold extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - thresholdValue
```
double thresholdValue
```
Package org.grouplens.lenskit.transform.truncate
- Class org.grouplens.lenskit.transform.truncate.NoOpTruncator extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.transform.truncate.ThresholdTruncator extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - threshold
```
Threshold threshold
```
- Class org.grouplens.lenskit.transform.truncate.TopNTruncator extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - threshold
```
ThresholdTruncator threshold
```
    - n
```
int n
```
Package org.grouplens.lenskit.util
- Class org.grouplens.lenskit.util.Indexer extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  -8383883342128686850L
  - Serialized Fields
    - indexes
```
Long2IntMap indexes
```
      Deprecated.
    - ids
```
LongArrayList ids
```
      Deprecated.
Package org.grouplens.lenskit.vectors
- Class org.grouplens.lenskit.vectors.ImmutableSparseVector extends SparseVector implements Serializable
  
  serialVersionUID:
  
  -2L
  - Serialized Fields
    - channelVectors
```
java.util.Map<K,V> channelVectors
```
    - channels
```
java.util.Map<K,V> channels
```
- Class org.grouplens.lenskit.vectors.ImmutableVec extends Vec implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.vectors.MutableSparseVector extends SparseVector implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialized Fields
    - channelVectors
```
java.util.Map<K,V> channelVectors
```
    - channels
```
java.util.Map<K,V> channels
```
- Class org.grouplens.lenskit.vectors.MutableVec extends Vec implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.vectors.SparseVector extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  2L
  - Serialized Fields
    - keys
```
LongKeyDomain keys
```
      The domain of keys.
    - values
```
double[] values
```
      The value array. Indexes in this array correspond to indexes produced by SparseVector.keys.
- Class org.grouplens.lenskit.vectors.Vec extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - data
```
double[] data
```
      Deprecated.
Package org.grouplens.lenskit.vectors.similarity
- Class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - dampingFactor
```
double dampingFactor
```
- Class org.grouplens.lenskit.vectors.similarity.DistanceVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - quantizer
```
Quantizer quantizer
```
- Class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - shrinkage
```
double shrinkage
```
- Class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - threshold
```
int threshold
```
    - delegate
```
VectorSimilarity delegate
```
- Class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  3023239202579332883L
  - Serialized Fields
    - pearson
```
PearsonCorrelation pearson
```

Serialized Form

Package org.grouplens.lenskit

Class org.grouplens.lenskit.RecommenderBuildException extends java.lang.Exception implements Serializable

Package org.grouplens.lenskit.baseline

Class org.grouplens.lenskit.baseline.ConstantItemScorer extends java.lang.Object implements Serializable

Serialized Fields

value

Class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer extends ConstantItemScorer implements Serializable

Class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer extends AbstractItemScorer implements Serializable

Serialized Fields

itemMeans

globalMean

damping

Class org.grouplens.lenskit.baseline.LeastSquaresItemScorer extends AbstractItemScorer implements Serializable

Serialized Fields

userOffsets

itemOffsets

mean

Package org.grouplens.lenskit.collections

Class org.grouplens.lenskit.collections.LongKeyDomain extends java.lang.Object implements Serializable

Serialized Fields

keys

domainSize

mask

unowned

Package org.grouplens.lenskit.core

Class org.grouplens.lenskit.core.RecommenderConfigurationException extends RecommenderBuildException implements Serializable

Package org.grouplens.lenskit.data.dao

Class org.grouplens.lenskit.data.dao.DataAccessException extends java.lang.RuntimeException implements Serializable

Package org.grouplens.lenskit.data.dao.packed

Class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO extends java.lang.Object implements Serializable

Serialization Methods

readObject

writeReplace

Serialized Fields

header

ratingData

userTable

itemTable

Class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO.Loader extends java.lang.Object implements Serializable

Serialized Fields

dataFile

Class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO extends java.lang.Object implements Serializable

Serialized Fields

delegate

Package org.grouplens.lenskit.data.history

Class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer extends java.lang.Object implements Serializable

Package org.grouplens.lenskit.data.pref

Class org.grouplens.lenskit.data.pref.PreferenceDomain extends java.lang.Object implements Serializable

Serialized Fields

minimum

maximum

precision

Package org.grouplens.lenskit.data.sql

Class org.grouplens.lenskit.data.sql.DatabaseAccessException extends DataAccessException implements Serializable

Package org.grouplens.lenskit.eval

Class org.grouplens.lenskit.eval.ExecutionInfo extends java.lang.Object implements Serializable

Serialized Fields

algoName

algoAttributes

dataName

dataAttributes

Class org.grouplens.lenskit.eval.TaskExecutionException extends java.lang.Exception implements Serializable

Package org.grouplens.lenskit.indexes

Class org.grouplens.lenskit.indexes.IdIndexMapping extends java.lang.Object implements Serializable

Class org.grouplens.lenskit.indexes.MutableIdIndexMapping extends IdIndexMapping implements Serializable

Serialized Fields

indexes

ids

Package org.grouplens.lenskit.inject

Class org.grouplens.lenskit.inject.PlaceholderSatisfaction extends java.lang.Object implements Serializable

Serialization Methods

writeReplace

Serialized Fields

removedType

Package org.grouplens.lenskit.iterative

Class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition extends java.lang.Object implements Serializable

Serialized Fields

threshold

minIterations