M.N.F. Fajila; M.A.C. Akmal Jahan

The Effect of Evolutionary Algorithm in Gene Subset Selection for Cancer Classification

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Author(s)

M.N.F. Fajila ^1,* M.A.C. Akmal Jahan ¹

1. Department of Mathematical Sciences, Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sri Lanka

* Corresponding author.

DOI: https://doi.org/10.5815/ijmecs.2018.07.06

Received: 1 Apr. 2018 / Revised: 26 Apr. 2018 / Accepted: 20 May 2018 / Published: 8 Jul. 2018

Index Terms

Evolutionary Algorithm, Filters, Gene Subset, Microarray, Wrappers

Abstract

The fact that reflects the cancer research consequences shows that still there are improvements that should be investigated in the stream of cancer in future. This leads the researchers to actively involve further in cancer research field. As an invention, a hybrid machine learning method is proposed in this study where two filters are assessed along with a wrapper approach. Typically, filters prioritize the features while, wrappers contribute in subset identification. Though both filters and wrappers exist independently, the excellent results they produce when applied subsequently. The wrapper-filter combination plays a major role in feature selection. Yet, incorporating with a best strategy for feature space analysis is crucial in this concern. Thus, we introduce the Evolutionary Algorithm in the proposed study to search through the feature space for informative gene subset selection. Though there are several gene selection approaches for cancer classification, many of them suffer from law classification accuracy and huge gene subset for prediction. Hence, we propose Evolutionary Algorithm to overcome this problem. The proposed approach is evaluated on five microarray datasets, where three out of them provide 100% accuracy. Regardless the number of genes selected, both filters provide the same performance throughout the datasets used. As a consequence, the Evolutionary Algorithm in feature space search is highlighted for its performance in gene subset selection.

Cite This Paper

M.N.F. Fajila, M.A.C. Akmal Jahan, " The Effect of Evolutionary Algorithm in Gene Subset Selection for Cancer Classification", International Journal of Modern Education and Computer Science(IJMECS), Vol.10, No.7, pp. 60-66, 2018. DOI:10.5815/ijmecs.2018.07.06

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