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
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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