J. J. Merelo-Guervós > Algorithm-MasterMind-v0.4.5 > Algorithm::MasterMind::EvoRank

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NAME ^

Algorithm::MasterMind::EvoRank - Evolutionary algorithm with the partition method and ranked fitness, prepared for GECCO 2010

SYNOPSIS ^

    use Algorithm::MasterMind::Evolutionary_Partitions;

DESCRIPTION ^

The partition method was introduced in a 2010 paper, and then changed by Runarsson and Merelo to incorporate it in the genetic search. It was prepared for a conference paper, this one:

  @INPROCEEDINGS{mm:cig,
   author={Merelo, J.J. and Mora, A.M. and Runarsson, T.P. and Cotta, C.},
   booktitle={Computational Intelligence and Games (CIG), 2010 IEEE Symposium on}, 
   title={Assessing efficiency of different evolutionary strategies playing MasterMind},
   year=2010,
   month={August},
   pages={38--45},
   keywords={MasterMind player;constrained optimization problem;evolutionary algorithm;evolutionary strategy;fitness function;computer games;evolutionary computation;},
   doi={10.1109/ITW.2010.5593373}
  }

This method is the evolutionary equivalent of Algorithm::MasterMind::Partitition::Most, using the number of non-null partitions to score consistent combinations, while using distance-to-consistency to score non-consistent.

INTERFACE ^

initialize

Initializes the genetic part of the algorithm

issue_next()

Issues the next combination, using this method. Every generation runs an evolutionary algorithm to compute the next string.

compute_fitness()

Processes "raw" fitness to assign fitness once consistency and/or distance to it is known. It's lineally scaled to make the lowest combination have a fitness equal to 1, which is needed just in case the selection method uses roulette wheel (which it does).

AUTHOR ^

JJ Merelo <jj@merelo.net>

LICENCE AND COPYRIGHT ^

Copyright (c) 2009, 2010 JJ Merelo <jj@merelo.net>. All rights reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY ^

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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