• Title/Summary/Keyword: 에지워스 근사

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Efficient variable selection method using conditional mutual information (조건부 상호정보를 이용한 분류분석에서의 변수선택)

  • Ahn, Chi Kyung;Kim, Donguk
    • Journal of the Korean Data and Information Science Society
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    • v.25 no.5
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    • pp.1079-1094
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    • 2014
  • In this paper, we study efficient gene selection methods by using conditional mutual information. We suggest gene selection methods using conditional mutual information based on semiparametric methods utilizing multivariate normal distribution and Edgeworth approximation. We compare our suggested methods with other methods such as mutual information filter, SVM-RFE, Cai et al. (2009)'s gene selection (MIGS-original) in SVM classification. By these experiments, we show that gene selection methods using conditional mutual information based on semiparametric methods have better performance than mutual information filter. Furthermore, we show that they take far less computing time than Cai et al. (2009)'s gene selection but have similar performance.