Uses of Class
es.uam.eps.ir.ranksys.fast.preference.IdxPref

Packages that use IdxPref

Package	Description
es.uam.eps.ir.ranksys.fast.preference	Fast versions of PreferenceData.
org.ranksys.compression.preferences	Compressed PreferenceData for binary and rating data.
org.ranksys.fast.preference	Fast versions of PreferenceData.
org.ranksys.fm	Wrappers for factorisation machines.

Uses of IdxPref in es.uam.eps.ir.ranksys.fast.preference

Fields in es.uam.eps.ir.ranksys.fast.preference with type parameters of type IdxPref

Modifier and Type	Field and Description
protected Function<IdxPref,IdPref<U>>	AbstractFastPreferenceData.iPrefFun Converter from IdxPref to IdPref (preference from user).
protected Function<IdxPref,IdPref<I>>	AbstractFastPreferenceData.uPrefFun Converter from IdxPref to IdPref (preference for item).

Methods in es.uam.eps.ir.ranksys.fast.preference that return types with arguments of type IdxPref

Modifier and Type	Method and Description
Stream<IdxPref>	SimpleFastPreferenceData.getIidxPreferences(int iidx)
Stream<? extends IdxPref>	TransposedPreferenceData.getIidxPreferences(int iidx)
Stream<? extends IdxPref>	FastPreferenceData.getIidxPreferences(int iidx) Gets the preferences of an item.
Optional<IdxPref>	SimpleFastPreferenceData.getPreference(int uidx, int iidx)
Optional<IdxPref>	TransposedPreferenceData.getPreference(int uidx, int iidx)
Stream<IdxPref>	SimpleFastPreferenceData.getUidxPreferences(int uidx)
Stream<? extends IdxPref>	TransposedPreferenceData.getUidxPreferences(int uidx)
Stream<? extends IdxPref>	FastPreferenceData.getUidxPreferences(int uidx) Gets the preferences of a user.

Method parameters in es.uam.eps.ir.ranksys.fast.preference with type arguments of type IdxPref

Modifier and Type	Method and Description
static <U,I,O> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple4<U,I,Double,O>> tuples, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> uIdxPrefFun, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> iIdxPrefFun, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uIdPrefFun, Function<IdxPref,IdPref<U>> iIdPrefFun) Loads a SimpleFastPreferenceData from a stream of user-item-value-other tuples.
static <U,I,O> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple4<U,I,Double,O>> tuples, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> uIdxPrefFun, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> iIdxPrefFun, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uIdPrefFun, Function<IdxPref,IdPref<U>> iIdPrefFun) Loads a SimpleFastPreferenceData from a stream of user-item-value-other tuples.
static <U,I,O> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple4<U,I,Double,O>> tuples, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> uIdxPrefFun, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> iIdxPrefFun, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uIdPrefFun, Function<IdxPref,IdPref<U>> iIdPrefFun) Loads a SimpleFastPreferenceData from a stream of user-item-value-other tuples.
static <U,I,O> SimpleFastPreferenceData<U,I>	SimpleFastPreferenceData.load(Stream<org.jooq.lambda.tuple.Tuple4<U,I,Double,O>> tuples, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> uIdxPrefFun, org.jooq.lambda.function.Function4<Integer,Integer,Double,O,? extends IdxPref> iIdxPrefFun, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uIdPrefFun, Function<IdxPref,IdPref<U>> iIdPrefFun) Loads a SimpleFastPreferenceData from a stream of user-item-value-other tuples.

Constructor parameters in es.uam.eps.ir.ranksys.fast.preference with type arguments of type IdxPref

Constructor and Description
AbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor.
AbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor with default IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex) Constructor with default IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
SimpleFastPreferenceData(int numPreferences, List<List<IdxPref>> uidxList, List<List<IdxPref>> iidxList, FastUserIndex<U> uIndex, FastItemIndex<I> iIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
TransposedPreferenceData(FastPreferenceData<U,I> recommenderData, org.jooq.lambda.function.Function2<U,IdPref<I>,IdPref<U>> idPrefFun, org.jooq.lambda.function.Function2<Integer,IdxPref,IdxPref> idxPrefFun) Constructor with custom converters between IdxPref and IdPref.
TransposedPreferenceData(FastPreferenceData<U,I> recommenderData, org.jooq.lambda.function.Function2<U,IdPref<I>,IdPref<U>> idPrefFun, org.jooq.lambda.function.Function2<Integer,IdxPref,IdxPref> idxPrefFun) Constructor with custom converters between IdxPref and IdPref.

Uses of IdxPref in org.ranksys.compression.preferences

Constructor parameters in org.ranksys.compression.preferences with type arguments of type IdxPref

Constructor and Description
AbstractCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converters.
AbstractCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(Stream<Tuple2io<int[]>> ul, Stream<Tuple2io<int[]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.
BinaryCODECPreferenceData(Stream<Tuple2io<int[]>> ul, Stream<Tuple2io<int[]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(FastPreferenceData<U,I> preferences, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor that utilizes other PreferenceData object with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor custom IdxPref to IdPref converters that does not read any input data.
RatingCODECPreferenceData(FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor custom IdxPref to IdPref converters that does not read any input data.
RatingCODECPreferenceData(Stream<Tuple2io<int[][]>> ul, Stream<Tuple2io<int[][]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.
RatingCODECPreferenceData(Stream<Tuple2io<int[][]>> ul, Stream<Tuple2io<int[][]>> il, FastUserIndex<U> users, FastItemIndex<I> items, CODEC<Cu> u_codec, CODEC<Ci> i_codec, CODEC<Cv> r_codec, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor using streams of user and items preferences lists with custom IdxPref to IdPref converters.

Uses of IdxPref in org.ranksys.fast.preference

Methods in org.ranksys.fast.preference that return types with arguments of type IdxPref

Modifier and Type	Method and Description
Stream<Tuple2io<? extends IdxPref>>	FastPreferenceSampler.fastSample() Get a stream of randomly sample user-item fast preferences.
Stream<? extends IdxPref>	IteratorsAbstractFastPreferenceData.getIidxPreferences(int iidx)
Optional<? extends IdxPref>	FastPointWisePreferenceData.getPreference(int uidx, int iidx) Get preference of a user for an item.
protected Stream<IdxPref>	IteratorsAbstractFastPreferenceData.getPreferences(int n, it.unimi.dsi.fastutil.ints.IntIterator idxs, it.unimi.dsi.fastutil.doubles.DoubleIterator vs) Converts the int and double iterators to a stream of IdxPref.
Stream<? extends IdxPref>	IteratorsAbstractFastPreferenceData.getUidxPreferences(int uidx)

Constructor parameters in org.ranksys.fast.preference with type arguments of type IdxPref

Constructor and Description
IteratorsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
IteratorsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
StreamsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.
StreamsAbstractFastPreferenceData(FastUserIndex<U> userIndex, FastItemIndex<I> itemIndex, Function<IdxPref,IdPref<I>> uPrefFun, Function<IdxPref,IdPref<U>> iPrefFun) Constructor with custom IdxPref to IdPref converter.

Uses of IdxPref in org.ranksys.fm

Methods in org.ranksys.fm with parameters of type IdxPref

Modifier and Type	Method and Description
double	PreferenceFM.predict(int uidx, IdxPref pref) Predicts the preference by a user to an item preference (fast version).

Constructor parameters in org.ranksys.fm with type arguments of type IdxPref

Constructor and Description
PreferenceFM(FastUserIndex<U> users, FastItemIndex<I> items, org.ranksys.javafm.FM fm, Function<IdPref<I>,IdxPref> uPrefFun) Constructor with custom default converter to IdxPref.