org.lenskit.eval.traintest

Interface ConditionEvaluator

public interface ConditionEvaluator

Measures the performance of a single experimental condition. Condition evaluators must be thread-safe, allowing multiple users to be measured in parallel.

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.Object>	finish() Finish measuring the performance for the algorithm and data set.
java.util.Map<java.lang.String,java.lang.Object>	measureUser(Recommender rec, TestUser testUser) Measure the performance for a single user.

Method Detail

measureUser

@Nonnull
java.util.Map<java.lang.String,java.lang.Object> measureUser(Recommender rec,
                                                                      TestUser testUser)

Measure the performance for a single user.

Parameters:

rec - The recommender to use.

testUser - The user to test.

Returns:

The per-user performance measurements.

finish

@Nonnull
java.util.Map<java.lang.String,java.lang.Object> finish()

Finish measuring the performance for the algorithm and data set.

Returns:

The aggregate performance measurements.