Full Text:   <6856>

CLC number: TP391

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2022-10-24

Cited: 0

Clicked: 2839

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Kulanthaivel BALAKRISHNAN

https://orcid.org/0000-0003-2009-4414

Ramasamy DHANALAKSHMI

https://orcid.org/0000-0003-2928-584X

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Article info.
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Frontiers of Information Technology & Electronic Engineering  2022 Vol.23 No.10 P.1451-1478

http://doi.org/10.1631/FITEE.2100569


Feature selection techniques for microarray datasets: a comprehensive review, taxonomy, and future directions


Author(s):  Kulanthaivel BALAKRISHNAN, Ramasamy DHANALAKSHMI

Affiliation(s):  Department of Computer Science and Engineering, Indian Institute of Information Technology, Tiruchirappalli 620012, India

Corresponding email(s):   bala.k.btech@gmail.com, r_dhanalakshmi@yahoo.com

Key Words:  Feature selection, High dimensionality, Learning techniques, Microarray dataset



Abstract: 
For optimal results, retrieving a relevant feature from a microarray dataset has become a hot topic for researchers involved in the study of feature selection (FS) techniques. The aim of this review is to provide a thorough description of various, recent FS techniques. This review also focuses on the techniques proposed for microarray datasets to work on multiclass classification problems and on different ways to enhance the performance of learning algorithms. We attempt to understand and resolve the imbalance problem of datasets to substantiate the work of researchers working on microarray datasets. An analysis of the literature paves the way for comprehending and highlighting the multitude of challenges and issues in finding the optimal feature subset using various FS techniques. A case study is provided to demonstrate the process of implementation, in which three microarray cancer datasets are used to evaluate the classification accuracy and convergence ability of several wrappers and hybrid algorithms to identify the optimal feature subset.

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