cc.mallet.cluster.evaluate
Class AccuracyEvaluator

java.lang.Object
  cc.mallet.cluster.evaluate.ClusteringEvaluator
      cc.mallet.cluster.evaluate.AccuracyEvaluator

public class AccuracyEvaluator
extends ClusteringEvaluator

Accuracy of a clustering is (truePositive + trueNegative) / (numberPairwiseComparisons)

Author:

culotta

Constructor Summary

AccuracyEvaluator()

Method Summary

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

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

Constructor Detail

AccuracyEvaluator

public AccuracyEvaluator()

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