com.rapidminer.tools.math.optimization.ec.es
Class NonDominatedSortingSelection

java.lang.Object
  com.rapidminer.tools.math.optimization.ec.es.NonDominatedSortingSelection

All Implemented Interfaces:

PopulationOperator

public class NonDominatedSortingSelection
extends java.lang.Object
implements PopulationOperator

Performs the non-dominated sorting selection from NSGA-II.

Author:

Ingo Mierswa

Constructor Summary

NonDominatedSortingSelection(int popSize)
Creates a new NSGA-II selection.

Method Summary

static boolean	isDominated(Individual i1, Individual i2) Returns true if the second performance vector is better in all fitness criteria than the first one (remember: the criteria should be maximized).
void	operate(Population population) Performs non-dominated sorting selection from NSGA-II.

Methods inherited from class java.lang.Object

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

Constructor Detail

NonDominatedSortingSelection

public NonDominatedSortingSelection(int popSize)

Creates a new NSGA-II selection.

Method Detail

operate

public void operate(Population population)

Performs non-dominated sorting selection from NSGA-II.

Specified by:

operate in interface PopulationOperator

isDominated

public static boolean isDominated(Individual i1,
                                  Individual i2)

Returns true if the second performance vector is better in all fitness criteria than the first one (remember: the criteria should be maximized).