By the same authors

A Rigorous Evaluation of Crossover and Mutation in Genetic Programming

Research output: Chapter in Book/Report/Conference proceedingConference contribution



Publication details

Title of host publicationGENETIC PROGRAMMING
DatePublished - 2009
Number of pages12
Place of PublicationBERLIN
EditorsL Vanneschi, S Gustafson, A Moraglio, I DeFalco, M Ebner
Volume5481 LNCS
Original languageEnglish
ISBN (Print)978-3-642-01180-1


The role of crossover and mutation in Genetic Programming (GP) has been the subject of much debate since thee emergence of the field. In this paper, we contribute new empirical evidence to this argument using a rigorous and principled experimental method applied to six problems common in the GP literature. The approach tunes the algorithm parameters to enable a fair and objective comparison of two different GP algorithms, the first using a combination of crossover and reproduction, and secondly using a combination of mutation and reproduction. We find that crossover does not significantly outperform mutation on most of the problems examined. In addition, we demonstrate that the use of a straight forward Design of Experiments methodology is effective at tuning GP algorithm parameters.

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