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

java.lang.Object
  extended by de.aitools.dm.clustering.validation.ExternalValidationMeasure
      extended by de.aitools.dm.clustering.validation.external.Completeness

public class Completeness
extends ExternalValidationMeasure

References:

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

Version:
$Id: Completeness.java,v 1.6 2011/04/14 15:22:54 hoppe Exp $
Author:
dennis.hoppe(/\t)uni-weimar.de

Constructor Summary
Completeness()
           
 
Method Summary
static double log2(double value)
           
 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

Completeness

public Completeness()
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:

log2

public static double log2(double value)