org.apache.mahout.cf.taste.example.kddcup.track1.svd
Interface FactorizablePreferences

All Known Implementing Classes:
DataModelFactorizablePreferences, KDDCupFactorizablePreferences

public interface FactorizablePreferences

models the necessary input for ParallelArraysSGDFactorizer


Method Summary
 LongPrimitiveIterator getItemIDs()
           
 float getMaxPreference()
           
 float getMinPreference()
           
 Iterable<Preference> getPreferences()
           
 LongPrimitiveIterator getUserIDs()
           
 int numItems()
           
 int numPreferences()
           
 int numUsers()
           
 

Method Detail

getUserIDs

LongPrimitiveIterator getUserIDs()

getItemIDs

LongPrimitiveIterator getItemIDs()

getPreferences

Iterable<Preference> getPreferences()

getMinPreference

float getMinPreference()

getMaxPreference

float getMaxPreference()

numUsers

int numUsers()

numItems

int numItems()

numPreferences

int numPreferences()


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