com.groovyj.jgprog
Class GreedyOverselection

java.lang.Object
  |
  +--com.groovyj.jgprog.SelectionMethod
        |
        +--com.groovyj.jgprog.GreedyOverselection

All Implemented Interfaces:

java.io.Serializable

public class GreedyOverselection

extends SelectionMethod

implements java.io.Serializable

Selects individuals according to the Greedy Over-Selection method. This method fitness-proportionally chooses a group I individual 80% of the time, and a group II individual 20% of the time. Group I consists of all individuals contributing towards the top c% of total fitness, where c=32% below a population size of 2000, c=16% between 2000 and 4000, c=8% between 4000 and 8000, and c=4% for population sizes 8000 and above. Group II consists of all other individuals.

Copyright (c) 2000 Robert Baruch. This code is released under the GNU General Public License (GPL).

Version:

$Id: GreedyOverselection.java,v 1.3 2000/10/12 15:22:55 groovyjava Exp $

Author:

Robert Baruch (jgprog@sourceforge.net)

See Also:

Serialized Form

Constructor Summary

GreedyOverselection()

Method Summary

Individual

select(World world) Select an individual based on some method.

Methods inherited from class java.lang.Object

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

Constructor Detail

GreedyOverselection

public GreedyOverselection()

Method Detail

select

public Individual select(World world)

Description copied from class: SelectionMethod

Select an individual based on some method.

Overrides:

select in class SelectionMethod

Following copied from class: com.groovyj.jgprog.SelectionMethod

Parameters:

random - the random number generator to use

world - the World for the run

Returns:

the individual chosen from the world's population