Java org.apache.mahout.cf.taste.model DataModel fields, constructors, methods, implement or subclass

Example usage for Java org.apache.mahout.cf.taste.model DataModel fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for org.apache.mahout.cf.taste.model DataModel.

The text is from its open source code.

org.apache.mahout.cf.taste.model.DataModel has the following implementations.
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LongPrimitiveIterator	getItemIDs()
FastIDSet	getItemIDsFromUser(long userID)
float	getMaxPreference()
float	getMinPreference()
int	getNumItems()
int	getNumUsers()
int	getNumUsersWithPreferenceFor(long itemID)
int	getNumUsersWithPreferenceFor(long itemID1, long itemID2)
PreferenceArray	getPreferencesForItem(long itemID)
PreferenceArray	getPreferencesFromUser(long userID)
Long	getPreferenceTime(long userID, long itemID) Retrieves the time at which a preference value from a user and item was set, if known.
Float	getPreferenceValue(long userID, long itemID) Retrieves the preference value for a single user and item.
LongPrimitiveIterator	getUserIDs()
boolean	hasPreferenceValues()