B C F G I N O P S U

B

BPRPreferenceFMData - Class in org.ranksys.fm.data

Samples user preferences for a BPR-like loss minimisation.

BPRPreferenceFMData(FastPreferenceData<?, ?>) - Constructor for class org.ranksys.fm.data.BPRPreferenceFMData

Constructor.

BPRPreferenceFMData(FastPreferenceData<?, ?>, Random) - Constructor for class org.ranksys.fm.data.BPRPreferenceFMData

Constructor.

C

containsItem(I) - Method in class org.ranksys.fm.PreferenceFM

containsUser(U) - Method in class org.ranksys.fm.PreferenceFM

F

FMRecommender<U,I> - Class in org.ranksys.fm.rec

A recommender using a factorisation machine.

FMRecommender(PreferenceFM<U, I>) - Constructor for class org.ranksys.fm.rec.FMRecommender

Constructor.

G

getAllItems() - Method in class org.ranksys.fm.PreferenceFM

getAllUsers() - Method in class org.ranksys.fm.PreferenceFM

getFM() - Method in class org.ranksys.fm.PreferenceFM

Returns the enclosed factorisation machine.

getRecommendation(int, int, IntPredicate) - Method in class org.ranksys.fm.rec.FMRecommender

getRecommendation(int, IntStream) - Method in class org.ranksys.fm.rec.FMRecommender

I

iidx2item(int) - Method in class org.ranksys.fm.PreferenceFM

item2iidx(I) - Method in class org.ranksys.fm.PreferenceFM

N

numFeatures() - Method in class org.ranksys.fm.data.BPRPreferenceFMData

numFeatures() - Method in class org.ranksys.fm.data.OneClassPreferenceFMData

numInstances() - Method in class org.ranksys.fm.data.BPRPreferenceFMData

numInstances() - Method in class org.ranksys.fm.data.OneClassPreferenceFMData

numItems() - Method in class org.ranksys.fm.PreferenceFM

numUsers() - Method in class org.ranksys.fm.PreferenceFM

O

OneClassPreferenceFMData - Class in org.ranksys.fm.data

Samples user preferences with a number of negative preferences for one class prediction for collaborative filtering.

OneClassPreferenceFMData(FastPreferenceData<?, ?>, double) - Constructor for class org.ranksys.fm.data.OneClassPreferenceFMData

Constructor.

OneClassPreferenceFMData(FastPreferenceData<?, ?>, double, Random) - Constructor for class org.ranksys.fm.data.OneClassPreferenceFMData

Constructor.

org.ranksys.fm - package org.ranksys.fm

Wrappers for factorisation machines.

org.ranksys.fm.data - package org.ranksys.fm.data

Implementation of FMData for recommendation tasks.

org.ranksys.fm.rec - package org.ranksys.fm.rec

FM-based recommenders.

P

predict(U, IdPref<I>) - Method in class org.ranksys.fm.PreferenceFM

Predicts the preference by a user to an item preference.

predict(int, IdxPref) - Method in class org.ranksys.fm.PreferenceFM

Predicts the preference by a user to an item preference (fast version).

PreferenceFM<U,I> - Class in org.ranksys.fm

Wraps a factorisation machine to work with RankSys user-preference pairs.

PreferenceFM(FastUserIndex<U>, FastItemIndex<I>, FM) - Constructor for class org.ranksys.fm.PreferenceFM

Constructor with default converter to IdxPref.

PreferenceFM(FastUserIndex<U>, FastItemIndex<I>, FM, Function<IdPref<I>, IdxPref>) - Constructor for class org.ranksys.fm.PreferenceFM

Constructor with custom default converter to IdxPref.

S

shuffle() - Method in class org.ranksys.fm.data.BPRPreferenceFMData

shuffle() - Method in class org.ranksys.fm.data.OneClassPreferenceFMData

stream() - Method in class org.ranksys.fm.data.BPRPreferenceFMData

stream() - Method in class org.ranksys.fm.data.OneClassPreferenceFMData

U

uidx2user(int) - Method in class org.ranksys.fm.PreferenceFM

user2uidx(U) - Method in class org.ranksys.fm.PreferenceFM

B C F G I N O P S U