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A Study on the Relevance of Feature Selection Methods in Microarray Data



Barnali Sahu1, *, Satchidananda Dehuri2, Alok Jagadev3
1 Department of Computer Science, ITER, Siksha ‘O’ Anusandhan University, Bhubaneswar, India
2 Department of Information and Communication Technology, Fakirmohan University, Vyasa Vihar, Balasore, Odisha, India
3 School of Computer Engineering, KIIT University, Bhubaneswar, Odisha, India


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© 2018 Sahu et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Computer Science, ITER, Siksha ‘O’ Anusandhan University, Bhubaneswar, India, Tel: +8895278059; E-mail: sahu.barnali08@gmail.com


Abstract

Background:

This paper studies the relevance of feature selection algorithms in microarray data for effective analysis. With no loss of generality, we present a list of feature selection algorithms and propose a generic categorizing framework that systematically groups algorithms into categories. The generic categorizing framework is based on search strategies and evaluation criteria. Further, it provides guidelines for selecting feature selection algorithms in general and in specific to the context of this study. In the context of microarray data analysis, the feature selection algorithms are classified into soft and non-soft computing categories. Their performance analysis with respect to microarray data analysis has been presented.

Conclusion:

We summarize this study by highlighting pointers to recent trends and challenges of feature selection research and development in microarray data.

Keywords: Microarray data, Data mining, Data mining tasks, Feature selection, Search strategies, Soft computing technique, Non-soft computing technique.