Uses of Class
org.apache.mahout.cf.taste.impl.common.FastIDSet

Packages that use FastIDSet
org.apache.mahout.cf.taste.eval   
org.apache.mahout.cf.taste.impl.common   
org.apache.mahout.cf.taste.impl.eval   
org.apache.mahout.cf.taste.impl.model   
org.apache.mahout.cf.taste.impl.model.file   
org.apache.mahout.cf.taste.impl.recommender   
org.apache.mahout.cf.taste.model   
org.apache.mahout.cf.taste.recommender   
 

Uses of FastIDSet in org.apache.mahout.cf.taste.eval
 

Methods in org.apache.mahout.cf.taste.eval that return FastIDSet
 FastIDSet RelevantItemsDataSplitter.getRelevantItemsIDs(long userID, int at, double relevanceThreshold, DataModel dataModel)
          During testing, relevant items are removed from a particular users' preferences, and a model is build using this user's other preferences and all other users.
 

Methods in org.apache.mahout.cf.taste.eval with parameters of type FastIDSet
 void RelevantItemsDataSplitter.processOtherUser(long userID, FastIDSet relevantItemIDs, FastByIDMap<PreferenceArray> trainingUsers, long otherUserID, DataModel dataModel)
          Adds a single user and all their preferences to the training model.
 

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.common
 

Methods in org.apache.mahout.cf.taste.impl.common that return FastIDSet
 FastIDSet FastIDSet.clone()
           
 

Methods in org.apache.mahout.cf.taste.impl.common with parameters of type FastIDSet
 boolean FastIDSet.addAll(FastIDSet c)
           
 int FastIDSet.intersectionSize(FastIDSet other)
          Convenience method to quickly compute just the size of the intersection with another FastIDSet.
 boolean FastIDSet.removeAll(FastIDSet c)
           
 boolean FastIDSet.retainAll(FastIDSet c)
           
 

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.eval
 

Methods in org.apache.mahout.cf.taste.impl.eval that return FastIDSet
 FastIDSet GenericRelevantItemsDataSplitter.getRelevantItemsIDs(long userID, int at, double relevanceThreshold, DataModel dataModel)
           
 

Methods in org.apache.mahout.cf.taste.impl.eval with parameters of type FastIDSet
 void GenericRelevantItemsDataSplitter.processOtherUser(long userID, FastIDSet relevantItemIDs, FastByIDMap<PreferenceArray> trainingUsers, long otherUserID, DataModel dataModel)
           
 

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.model
 

Methods in org.apache.mahout.cf.taste.impl.model that return FastIDSet
 FastIDSet PlusAnonymousUserDataModel.getItemIDsFromUser(long userID)
           
 FastIDSet PlusAnonymousConcurrentUserDataModel.getItemIDsFromUser(long userID)
           
 FastIDSet GenericDataModel.getItemIDsFromUser(long userID)
           
 FastIDSet GenericBooleanPrefDataModel.getItemIDsFromUser(long userID)
           
 

Methods in org.apache.mahout.cf.taste.impl.model that return types with arguments of type FastIDSet
 FastByIDMap<FastIDSet> GenericBooleanPrefDataModel.getRawItemData()
          This is used mostly internally to the framework, and shouldn't be relied upon otherwise.
 FastByIDMap<FastIDSet> GenericBooleanPrefDataModel.getRawUserData()
          This is used mostly internally to the framework, and shouldn't be relied upon otherwise.
static FastByIDMap<FastIDSet> GenericBooleanPrefDataModel.toDataMap(DataModel dataModel)
          Exports the simple user IDs and associated item IDs in the data model.
static FastByIDMap<FastIDSet> GenericBooleanPrefDataModel.toDataMap(FastByIDMap<PreferenceArray> data)
           
 

Constructor parameters in org.apache.mahout.cf.taste.impl.model with type arguments of type FastIDSet
GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData)
           Creates a new GenericDataModel from the given users (and their preferences).
GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData, FastByIDMap<FastByIDMap<Long>> timestamps)
           Creates a new GenericDataModel from the given users (and their preferences).
 

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.model.file
 

Methods in org.apache.mahout.cf.taste.impl.model.file that return FastIDSet
 FastIDSet FileDataModel.getItemIDsFromUser(long userID)
           
 

Method parameters in org.apache.mahout.cf.taste.impl.model.file with type arguments of type FastIDSet
protected  void FileDataModel.processFileWithoutID(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
           
protected  void FileDataModel.processLineWithoutID(String line, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
           
 

Uses of FastIDSet in org.apache.mahout.cf.taste.impl.recommender
 

Methods in org.apache.mahout.cf.taste.impl.recommender that return FastIDSet
protected  FastIDSet SamplingCandidateItemsStrategy.doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel)
           
protected  FastIDSet PreferredItemsNeighborhoodCandidateItemsStrategy.doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel)
          returns all items that have not been rated by the user and that were preferred by another user that has preferred at least one item that the current user has preferred too
protected  FastIDSet AllUnknownItemsCandidateItemsStrategy.doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel)
          return all items the user has not yet seen
protected  FastIDSet AllSimilarItemsCandidateItemsStrategy.doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel)
           
protected abstract  FastIDSet AbstractCandidateItemsStrategy.doGetCandidateItems(long[] preferredItemIDs, DataModel dataModel)
           
protected  FastIDSet GenericUserBasedRecommender.getAllOtherItems(long[] theNeighborhood, long theUserID)
           
protected  FastIDSet GenericBooleanPrefUserBasedRecommender.getAllOtherItems(long[] theNeighborhood, long theUserID)
           
protected  FastIDSet AbstractRecommender.getAllOtherItems(long userID, PreferenceArray preferencesFromUser)
           
 FastIDSet AbstractCandidateItemsStrategy.getCandidateItems(long[] itemIDs, DataModel dataModel)
           
 FastIDSet AbstractCandidateItemsStrategy.getCandidateItems(long userID, PreferenceArray preferencesFromUser, DataModel dataModel)
           
 

Uses of FastIDSet in org.apache.mahout.cf.taste.model
 

Methods in org.apache.mahout.cf.taste.model that return FastIDSet
 FastIDSet DataModel.getItemIDsFromUser(long userID)
           
 

Methods in org.apache.mahout.cf.taste.model that return types with arguments of type FastIDSet
 FastByIDMap<FastIDSet> JDBCDataModel.exportWithIDsOnly()
           
 

Uses of FastIDSet in org.apache.mahout.cf.taste.recommender
 

Methods in org.apache.mahout.cf.taste.recommender that return FastIDSet
 FastIDSet MostSimilarItemsCandidateItemsStrategy.getCandidateItems(long[] itemIDs, DataModel dataModel)
           
 FastIDSet CandidateItemsStrategy.getCandidateItems(long userID, PreferenceArray preferencesFromUser, DataModel dataModel)
           
 



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