org.lenskit.eval.crossfold

Interface HistoryPartitionMethod

All Known Implementing Classes:

FractionHistoryPartitionMethod, HoldoutNHistoryPartitionMethod, RetainNHistoryPartitionMethod

public interface HistoryPartitionMethod

Partitioning algorithm for an ordered sequence of events into train and test events.

Method Summary

Modifier and Type	Method and Description
int	partition(java.util.List<? extends Rating> data) Compute a partition of of the data.

Method Detail

partition

int partition(java.util.List<? extends Rating> data)

Compute a partition of of the data.

Parameters:

data - The data to partition.

Returns:

The index of the start of the second partition, containing the test data.