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Article type: Research Article
Authors: Lian, Lian; *
Affiliations: College of Information Engineering, Shenyang University of Chemical Technology, Shenyang, China
Correspondence: [*] Corresponding author. Lian Lian, College of Information Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China. E-mail: lianlian_syuct@163.com.
Abstract: Stochastic configuration networks (SCNs), as a novel incremental generation model with supervisory mechanism, has an excellent superiority in solving large-scale data regression and classification problems. However, the accuracy of the SCNs is affected by the assignation and selection of some network parameters significantly. Harris hawk optimizer (HHO) algorithm is a new meta-heuristic algorithm that simulates the foraging and anti-predation behavior of Harris hawk. In this paper, a SCNs based on HHO algorithm is first introduced, termed as HHO-SCNs. As the performance of SCNs is related to regularization parameter r and scale factor lambda of weights and biases, then HHO is employed to give better parameters for SCNs automatically. A numerical function and six benchmark datasets are used to verify the regression performance of the proposed model. Three benchmark datasets are introduced to illustrate the effectiveness of the proposed model for classification performance. Experimental results demonstrate the feasibility and validity of HHO-SCNs compared with incremental random vector functional link, SCNs, fast SCNs, and SCNs based on whale optimization algorithm. The proposed HHO-SCNs improves the generalization performance of standard SCNs, and provides a new idea for expanding the development and application of SCNs.
Keywords: Stochastic configuration networks, Harris hawks optimizer, hyper-parameters, optimization
DOI: 10.3233/JIFS-222395
Journal: Journal of Intelligent & Fuzzy Systems, vol. 44, no. 6, pp. 9091-9107, 2023
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