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

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

public class InversePurity
extends ExternalValidationMeasure

References:

   E. Amigo et al., 2008.
   A comparison of Extrinsic Clustering Evaluation Metrics based on 
   Formal Constraints: Technical Report.
 

Version:

$Id: InversePurity.java,v 1.5 2011/03/22 14:59:04 hoppe Exp $

Author:

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

Constructor Summary

InversePurity()

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

InversePurity

public InversePurity()

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: