期刊
EXPERT SYSTEMS WITH APPLICATIONS
卷 119, 期 -, 页码 61-72出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2018.10.021
关键词
Feature selection; Grasshopper optimization algorithm; Meta-heuristic algorithms; Pattern recognition
类别
资金
- Islamic Azad University, Aliabad Katoul branch, Iran
Feature selection is the problem of finding the minimum number of features among a redundant feature space which leads to the maximum classification performance. In this paper, we have proposed a novel feature selection method based on mathematical model of interaction between grasshoppers in finding food sources. Some modifications were applied to the grasshopper optimization algorithm (GOA) to make it suitable for a feature selection problem. The method, abbreviated as GOFS is supplemented by statistical measures during iterations to replace the duplicate features with the most promising features. Several publicly available datasets with various dimensionalities, number of instances, and target classes were considered to evaluate the performance of the GOFS algorithm. The results of implementing twelve well-known and recent feature selection methods were presented and compared with GOFS algorithm. Comparative experiments indicate the significance of the proposed method in comparison with other feature selection methods. (C) 2018 Elsevier Ltd. All rights reserved.
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