Package org.uma.jmetal.qualityindicator

Class QualityIndicator

java.lang.Object

org.uma.jmetal.qualityindicator.QualityIndicator

Direct Known Subclasses:

Epsilon, ErrorRatio, GeneralizedSpread, GenerationalDistance, Hypervolume, InvertedGenerationalDistance, InvertedGenerationalDistancePlus, NormalizedHypervolume, SetCoverage, Spread

public abstract class QualityIndicator
extends Object

Abstract class representing quality indicators. It is assumed that the fronts are normalized before computing the indicators.

Author:

Antonio J. Nebro

Field Summary

Fields

Modifier and Type	Field	Description
protected double[][]	referenceFront

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	QualityIndicator()
protected	QualityIndicator(double[][] referenceFront)

Method Summary

Modifier and Type	Method	Description
abstract double	compute(double[][] front)
abstract String	description()
abstract boolean	isTheLowerTheIndicatorValueTheBetter()	Returns true if lower indicator values are preferred and false otherwise
abstract String	name()
abstract QualityIndicator	newInstance()
double[][]	referenceFront()
void	referenceFront(double[][] referenceFront)

Methods inherited from class java.lang.Object

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

Field Details

referenceFront

protected double[][] referenceFront

Constructor Details

QualityIndicator

protected QualityIndicator()

QualityIndicator

protected QualityIndicator(double[][] referenceFront)

Method Details

compute

public abstract double compute(double[][] front)

referenceFront

public void referenceFront(double[][] referenceFront)

isTheLowerTheIndicatorValueTheBetter

public abstract boolean isTheLowerTheIndicatorValueTheBetter()

Returns true if lower indicator values are preferred and false otherwise

referenceFront

public double[][] referenceFront()

newInstance

public abstract QualityIndicator newInstance()

name

public abstract String name()

description

public abstract String description()