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Article

An Efficient Parallel Reptile Search Algorithm and Snake Optimizer Approach for Feature Selection

by
Ibrahim Al-Shourbaji
1,2,
Pramod H. Kachare
3,
Samah Alshathri
4,*,
Salahaldeen Duraibi
1,
Bushra Elnaim
5 and
Mohamed Abd Elaziz
6,7,8,*
1
Department of Computer and Network Engineering, Jazan University, Jazan 45142, Saudi Arabia
2
Department of Computer Science, University of Hertfordshire, Hatfield AL10 9AB, UK
3
Department of Electronics & Telecomm, Engineering, Ramrao Adik Institute of Technology, Nerul, Navi Mumbai 400706, Maharashtra, India
4
Department of Information Technology, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
5
Department of Computer Science, College of Science and Humanities in Al-Sulail, Prince Sattam bin Abdulaziz University, Kharj 16278, Saudi Arabia
6
Faculty of Science & Engineering, Galala University, Suze 435611, Egypt
7
Artificial Intelligence Research Center (AIRC), College of Engineering and Information Technology, Ajman University, Ajman 346, United Arab Emirates
8
Department of Mathematics, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
*
Authors to whom correspondence should be addressed.
Mathematics 2022, 10(13), 2351; https://doi.org/10.3390/math10132351
Submission received: 11 June 2022 / Revised: 24 June 2022 / Accepted: 27 June 2022 / Published: 5 July 2022

Abstract

Feature Selection (FS) is a major preprocessing stage which aims to improve Machine Learning (ML) models’ performance by choosing salient features, while reducing the computational cost. Several approaches are presented to select the most Optimal Features Subset (OFS) in a given dataset. In this paper, we introduce an FS-based approach named Reptile Search Algorithm–Snake Optimizer (RSA-SO) that employs both RSA and SO methods in a parallel mechanism to determine OFS. This mechanism decreases the chance of the two methods to stuck in local optima and it boosts the capability of both of them to balance exploration and explication. Numerous experiments are performed on ten datasets taken from the UCI repository and two real-world engineering problems to evaluate RSA-SO. The obtained results from the RSA-SO are also compared with seven popular Meta-Heuristic (MH) methods for FS to prove its superiority. The results show that the developed RSA-SO approach has a comparative performance to the tested MH methods and it can provide practical and accurate solutions for engineering optimization problems.
Keywords: classification; feature selection; metaheuristic algorithms; reptile search algorithm; snake optimizer classification; feature selection; metaheuristic algorithms; reptile search algorithm; snake optimizer

Share and Cite

MDPI and ACS Style

Al-Shourbaji, I.; Kachare, P.H.; Alshathri, S.; Duraibi, S.; Elnaim, B.; Abd Elaziz, M. An Efficient Parallel Reptile Search Algorithm and Snake Optimizer Approach for Feature Selection. Mathematics 2022, 10, 2351. https://doi.org/10.3390/math10132351

AMA Style

Al-Shourbaji I, Kachare PH, Alshathri S, Duraibi S, Elnaim B, Abd Elaziz M. An Efficient Parallel Reptile Search Algorithm and Snake Optimizer Approach for Feature Selection. Mathematics. 2022; 10(13):2351. https://doi.org/10.3390/math10132351

Chicago/Turabian Style

Al-Shourbaji, Ibrahim, Pramod H. Kachare, Samah Alshathri, Salahaldeen Duraibi, Bushra Elnaim, and Mohamed Abd Elaziz. 2022. "An Efficient Parallel Reptile Search Algorithm and Snake Optimizer Approach for Feature Selection" Mathematics 10, no. 13: 2351. https://doi.org/10.3390/math10132351

APA Style

Al-Shourbaji, I., Kachare, P. H., Alshathri, S., Duraibi, S., Elnaim, B., & Abd Elaziz, M. (2022). An Efficient Parallel Reptile Search Algorithm and Snake Optimizer Approach for Feature Selection. Mathematics, 10(13), 2351. https://doi.org/10.3390/math10132351

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