NAME

Algorithm::Evolutionary::Op::RouletteWheel - Fitness-proportional selection, using a roulette wheel

SYNOPSIS

use Algorithm::Evolutionary::Op::RouletteWheel;
my $popSize = 100;
my $selector = new  Algorithm::Evolutionary::Op::RouletteWheel $popSize;

Base Class

Algorithm::Evolutionary::Op::Selector

DESCRIPTION

Roulette wheel selection tries to select as many copies of the individual as it corresponds to its fitness. It is used in the canonical GA. Some information on this method of selection can be found in http://www.geatbx.com/docu/algselct.html#nameselectionrws

METHODS

new( $output_population_size )

Creates a new roulette wheel selector

apply

Applies the tournament selection to a population, returning another of the said size

See Also

Algorithm::Evolutionary::Op::TournamentSelect is another option for selecting a pool of individuals

Copyright

This file is released under the GPL. See the LICENSE file included in this distribution,
or go to http://www.fsf.org/licenses/gpl.txt

CVS Info: $Date: 2009/07/24 08:46:59 $ 
$Header: /cvsroot/opeal/Algorithm-Evolutionary/lib/Algorithm/Evolutionary/Op/RouletteWheel.pm,v 3.0 2009/07/24 08:46:59 jmerelo Exp $ 
$Author: jmerelo $ 
$Revision: 3.0 $
$Name $