cc.mallet.cluster.evaluate

Class PairF1Evaluator

java.lang.Object

cc.mallet.cluster.evaluate.ClusteringEvaluator

cc.mallet.cluster.evaluate.PairF1Evaluator

public class PairF1Evaluator
extends ClusteringEvaluator

Evaluates two clustering using pairwise comparisons. For each pair of Instances, compute false positives and false negatives as in classification performance, determined by whether the pair should be in the same cluster or not.

Since:

1.0

See Also:

ClusteringEvaluator

Constructor Summary

Constructors

Constructor and Description
PairF1Evaluator()

Method Summary

Modifier and Type	Method and Description
java.lang.String	evaluate(Clustering truth, Clustering predicted)
java.lang.String	evaluateTotals()
double[]	getEvaluationScores(Clustering truth, Clustering predicted)

Methods inherited from class cc.mallet.cluster.evaluate.ClusteringEvaluator

evaluate, evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

PairF1Evaluator

public PairF1Evaluator()

Method Detail

evaluate

public java.lang.String evaluate(Clustering truth,
                                 Clustering predicted)

Specified by:

evaluate in class ClusteringEvaluator

Returns:

A String summarizing the evaluation metric.

evaluateTotals

public java.lang.String evaluateTotals()

Specified by:

evaluateTotals in class ClusteringEvaluator

Returns:

If the ClusteringEvaluator maintains state between calls to evaluate, this method will return the total evaluation metric since the first evaluation.

getEvaluationScores

public double[] getEvaluationScores(Clustering truth,
                                    Clustering predicted)

Specified by:

getEvaluationScores in class ClusteringEvaluator