A memetic algorithm for gene selection and molecular classification of cancer

  • Authors:
  • Béatrice Duval;Jin-Kao Hao;Jose Crispin Hernandez Hernandez

  • Affiliations:
  • LERIA, Université d'Angers, ANGERS, France;LERIA, Université d'Angers, ANGERS, France;Instituto Tecnologico de Apizaco, Apizaco, Mexico

  • Venue:
  • Proceedings of the 11th Annual conference on Genetic and evolutionary computation
  • Year:
  • 2009

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Abstract

Choosing a small subset of genes that enables a good classification of diseases on the basis of microarray data is a difficult optimization problem. This paper presents a memetic algorithm, called MAGS, to deal with gene selection for supervised classification of microarray data. MAGS is based on an embedded approach for attribute selection where a classifier tightly interacts with the selection process. The strength of MAGS relies on the synergy created by combining a problem specific crossover operator and a dedicated local search procedure, both being guided by relevant information from a SVM classifier. Computational experiments on 8 well-known microarray datasets show that our memetic algorithm is very competitive compared with some recently published studies.