de.aitools.dm.clustering.validation.external
Class VMeasure

java.lang.Object
  de.aitools.dm.clustering.validation.ExternalValidationMeasure
      de.aitools.dm.clustering.validation.external.VMeasure

public class VMeasure
extends ExternalValidationMeasure

References:

   A. Rosenberg and J. Hirschberg, 2007.
   V-Measure: A conditional entropy-based external cluster evaluation measure.
 

Version:

$Id: VMeasure.java,v 1.5 2011/03/22 14:59:05 hoppe Exp $

Author:

dennis.hoppe(/\t)uni-weimar.de

Constructor Summary

VMeasure()

VMeasure(double beta)

Method Summary

double

measure(Matrix contingencyTable) Perform consecutive clustering evaluations in a more efficient manner.

Methods inherited from class de.aitools.dm.clustering.validation.ExternalValidationMeasure

measure

Methods inherited from class java.lang.Object

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

Constructor Detail

VMeasure

public VMeasure()

VMeasure

public VMeasure(double beta)

Method Detail

measure

public double measure(Matrix contingencyTable)

Description copied from class: ExternalValidationMeasure

Perform consecutive clustering evaluations in a more efficient manner.

Specified by:

measure in class ExternalValidationMeasure

Parameters:

contingencyTable - a precomputed contincengy table

Returns: