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

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

public class JaccardCoefficient
extends ExternalValidationMeasure

References:

   M. Halkidi et al., 2002.
   Cluster Validity Methods: Part 1.
 

Version:

$Id: JaccardCoefficient.java,v 1.6 2011/04/12 15:29:58 hoppe Exp $

Author:

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

Constructor Summary

JaccardCoefficient()

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

JaccardCoefficient

public JaccardCoefficient()

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: