net.sourceforge.cilib.functions.clustering
Class ParametricWithQuantisationErrorFunction

java.lang.Object
  net.sourceforge.cilib.functions.Function
      net.sourceforge.cilib.functions.ContinuousFunction
          net.sourceforge.cilib.functions.clustering.ClusteringFitnessFunction
              net.sourceforge.cilib.functions.clustering.ParametricClusteringFunction
                  net.sourceforge.cilib.functions.clustering.ParametricWithQuantisationErrorFunction

All Implemented Interfaces:

Serializable, Cloneable

public class ParametricWithQuantisationErrorFunction
extends ParametricClusteringFunction

This class makes use of the helper/member functions defined and implemented in {@linkplain ClusteringFitnessFunction) to calculate an improved parameterised fitness of a particular clustering in the calculateFitness method. See:

Author:

Theuns Cloete

See Also:

Serialized Form

Field Summary

protected ControlParameter

w3 Specifies the weight that incluences how much the Quantisation Error will contribute to the final fitness.

Fields inherited from class net.sourceforge.cilib.functions.clustering.ParametricClusteringFunction

w1, w2, zMax

Fields inherited from class net.sourceforge.cilib.functions.clustering.ClusteringFitnessFunction

arrangedCentroids, arrangedClusters, clusterCenterStrategy, clustersFormed, helper

Constructor Summary

ParametricWithQuantisationErrorFunction()
Create a new instance of ParametricWithQuantisationErrorFunction.

Method Summary

double	calculateFitness()
protected double	getW3() Get the weight that the Quantisation Error contributes to the final fitness.
void	setW3(ControlParameter w) Set the weight that influences how much the Quantisation Error will contribute to the final fitness.
void	updateControlParameters()

Methods inherited from class net.sourceforge.cilib.functions.clustering.ParametricClusteringFunction

getClone, getW1, getW2, setW1, setW2, zMax

Methods inherited from class net.sourceforge.cilib.functions.clustering.ClusteringFitnessFunction

calculateAverageIntraClusterDistance, calculateAverageSetDistance, calculateClusterDiameter, calculateIntraClusterDistance, calculateMaximumAverageDistance, calculateMaximumInterClusterDistance, calculateMaximumSetDistance, calculateMinimumInterClusterDistance, calculateMinimumSetDistance, calculateQuantisationError, evaluate, getMaximum, getMinimum, setClusterCenterStrategy, validateFitness, worstFitness

Methods inherited from class net.sourceforge.cilib.functions.ContinuousFunction

evaluate

Methods inherited from class net.sourceforge.cilib.functions.Function

getBehavioralDomainRegistry, getDimension, getDomain, getDomainRegistry, setBehavioralDomain, setBehaviouralDomainRegistry, setDomain

Methods inherited from class java.lang.Object

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

Field Detail

w3

protected ControlParameter w3

Specifies the weight that incluences how much the Quantisation Error will contribute to the final fitness.

Constructor Detail

ParametricWithQuantisationErrorFunction

public ParametricWithQuantisationErrorFunction()

Create a new instance of ParametricWithQuantisationErrorFunction.

Method Detail

calculateFitness

public double calculateFitness()

Overrides:

calculateFitness in class ParametricClusteringFunction

setW3

public void setW3(ControlParameter w)

Set the weight that influences how much the Quantisation Error will contribute to the final fitness.

Parameters:

w - the ControlParameter that will control the w1 weight

getW3

protected double getW3()

Get the weight that the Quantisation Error contributes to the final fitness.

Returns:

the weight that determines how much influence the Quantisation Error contributes to the final fitness

updateControlParameters

public void updateControlParameters()

Overrides:

updateControlParameters in class ParametricClusteringFunction