org.lenskit.eval.crossfold

Class HistoryPartitions

java.lang.Object

org.lenskit.eval.crossfold.HistoryPartitions

public final class HistoryPartitions
extends java.lang.Object

Factories for creating HistoryPartitionMethod instances.

Method Summary

Modifier and Type	Method and Description
static HistoryPartitionMethod	holdout(int n) Hold out a fixed number of ratings.
static HistoryPartitionMethod	holdoutFraction(double f) Hold out a fraction of ratings.
static HistoryPartitionMethod	retain(int n) Retain a fixed number of ratings.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

holdout

public static HistoryPartitionMethod holdout(int n)

Hold out a fixed number of ratings.

holdoutFraction

public static HistoryPartitionMethod holdoutFraction(double f)

Hold out a fraction of ratings.

retain

public static HistoryPartitionMethod retain(int n)

Retain a fixed number of ratings.