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

Packages that use FastByIDMap

Package	Description
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.svd
org.apache.mahout.cf.taste.model

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

Methods in org.apache.mahout.cf.taste.eval with parameters of type FastByIDMap

Modifier and Type	Method and Description
DataModel	DataModelBuilder.buildDataModel(FastByIDMap<PreferenceArray> trainingData) Builds a DataModel implementation to be used in an evaluation, given training data.
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 FastByIDMap in org.apache.mahout.cf.taste.impl.common

Methods in org.apache.mahout.cf.taste.impl.common that return FastByIDMap

Modifier and Type	Method and Description
FastByIDMap<V>	FastByIDMap.clone()

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

Methods in org.apache.mahout.cf.taste.impl.eval with parameters of type FastByIDMap

Modifier and Type	Method and Description
void	GenericRelevantItemsDataSplitter.processOtherUser(long userID, FastIDSet relevantItemIDs, FastByIDMap<PreferenceArray> trainingUsers, long otherUserID, DataModel dataModel)

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

Methods in org.apache.mahout.cf.taste.impl.model that return FastByIDMap

Modifier and Type	Method and Description
FastByIDMap<PreferenceArray>	GenericDataModel.getRawItemData() This is used mostly internally to the framework, and shouldn't be relied upon otherwise.
FastByIDMap<FastIDSet>	GenericBooleanPrefDataModel.getRawItemData() This is used mostly internally to the framework, and shouldn't be relied upon otherwise.
FastByIDMap<PreferenceArray>	GenericDataModel.getRawUserData() 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<PreferenceArray>	GenericDataModel.toDataMap(DataModel dataModel) Exports the simple user IDs and preferences in the data model.
static FastByIDMap<FastIDSet>	GenericBooleanPrefDataModel.toDataMap(DataModel dataModel) Exports the simple user IDs and associated item IDs in the data model.
static FastByIDMap<PreferenceArray>	GenericDataModel.toDataMap(FastByIDMap<Collection<Preference>> data, boolean byUser) Swaps, in-place, Lists for arrays in Map values .
static FastByIDMap<FastIDSet>	GenericBooleanPrefDataModel.toDataMap(FastByIDMap<PreferenceArray> data)

Methods in org.apache.mahout.cf.taste.impl.model with parameters of type FastByIDMap

Modifier and Type	Method and Description
static FastByIDMap<PreferenceArray>	GenericDataModel.toDataMap(FastByIDMap<Collection<Preference>> data, boolean byUser) Swaps, in-place, Lists for arrays in Map values .
static FastByIDMap<FastIDSet>	GenericBooleanPrefDataModel.toDataMap(FastByIDMap<PreferenceArray> data)

Constructors in org.apache.mahout.cf.taste.impl.model with parameters of type FastByIDMap

Constructor and Description
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).
GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData, FastByIDMap<FastByIDMap<Long>> timestamps) Creates a new GenericDataModel from the given users (and their preferences).
GenericDataModel(FastByIDMap<PreferenceArray> userData) Creates a new GenericDataModel from the given users (and their preferences).
GenericDataModel(FastByIDMap<PreferenceArray> userData, FastByIDMap<FastByIDMap<Long>> timestamps) Creates a new GenericDataModel from the given users (and their preferences).
GenericDataModel(FastByIDMap<PreferenceArray> userData, FastByIDMap<FastByIDMap<Long>> timestamps) Creates a new GenericDataModel from the given users (and their preferences).

Constructor parameters in org.apache.mahout.cf.taste.impl.model with type arguments of type FastByIDMap

Constructor and Description
GenericBooleanPrefDataModel(FastByIDMap<FastIDSet> userData, FastByIDMap<FastByIDMap<Long>> timestamps) Creates a new GenericDataModel from the given users (and their preferences).
GenericDataModel(FastByIDMap<PreferenceArray> userData, FastByIDMap<FastByIDMap<Long>> timestamps) Creates a new GenericDataModel from the given users (and their preferences).

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

Methods in org.apache.mahout.cf.taste.impl.model.file with parameters of type FastByIDMap

Modifier and Type	Method and Description
protected void	FileDataModel.processFile(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData)
protected void	FileDataModel.processFile(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData)
protected void	FileDataModel.processFileWithoutID(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
protected void	FileDataModel.processFileWithoutID(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
protected void	FileDataModel.processLine(String line, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData) Reads one line from the input file and adds the data to a FastByIDMap data structure which maps user IDs to preferences.
protected void	FileDataModel.processLine(String line, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData) Reads one line from the input file and adds the data to a FastByIDMap data structure which maps user IDs to preferences.
protected void	FileDataModel.processLineWithoutID(String line, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
protected void	FileDataModel.processLineWithoutID(String line, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)

Method parameters in org.apache.mahout.cf.taste.impl.model.file with type arguments of type FastByIDMap

Modifier and Type	Method and Description
protected void	FileDataModel.processFile(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData)
protected void	FileDataModel.processFileWithoutID(FileLineIterator dataOrUpdateFileIterator, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)
protected void	FileDataModel.processLine(String line, FastByIDMap<?> data, FastByIDMap<FastByIDMap<Long>> timestamps, boolean fromPriorData) Reads one line from the input file and adds the data to a FastByIDMap data structure which maps user IDs to preferences.
protected void	FileDataModel.processLineWithoutID(String line, FastByIDMap<FastIDSet> data, FastByIDMap<FastByIDMap<Long>> timestamps)

Uses of FastByIDMap in org.apache.mahout.cf.taste.impl.recommender.svd

Constructors in org.apache.mahout.cf.taste.impl.recommender.svd with parameters of type FastByIDMap

Constructor and Description
Factorization(FastByIDMap<Integer> userIDMapping, FastByIDMap<Integer> itemIDMapping, double[][] userFeatures, double[][] itemFeatures)
Factorization(FastByIDMap<Integer> userIDMapping, FastByIDMap<Integer> itemIDMapping, double[][] userFeatures, double[][] itemFeatures)

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

Methods in org.apache.mahout.cf.taste.model that return FastByIDMap

Modifier and Type	Method and Description
FastByIDMap<FastIDSet>	JDBCDataModel.exportWithIDsOnly()
FastByIDMap<PreferenceArray>	JDBCDataModel.exportWithPrefs() Hmm, should this exist elsewhere? seems like most relevant for a DB implementation, which is not in memory, which might want to export to memory.