Feature selection method based on multi-fractal dimension and harmony search algorithm and its application

Chen Zhang, Zhiwei Ni, Liping Ni and Na Tang

International Journal of Systems Science, 2016, vol. 47, issue 14, 3476-3486

Abstract: Feature selection is an important method of data preprocessing in data mining. In this paper, a novel feature selection method based on multi-fractal dimension and harmony search algorithm is proposed. Multi-fractal dimension is adopted as the evaluation criterion of feature subset, which can determine the number of selected features. An improved harmony search algorithm is used as the search strategy to improve the efficiency of feature selection. The performance of the proposed method is compared with that of other feature selection algorithms on UCI data-sets. Besides, the proposed method is also used to predict the daily average concentration of PM2.5 in China. Experimental results show that the proposed method can obtain competitive results in terms of both prediction accuracy and the number of selected features.

Date: 2016
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DOI: 10.1080/00207721.2015.1086931

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