Cloud score for feature selection

  • Authors:
  • Zhang Guangwei;Xu Jianpeng;Yang Fangchun;Huang Zhen

  • Affiliations:
  • State Key Lab of Networking and Switching Technology, Beijing University of Posts and Telecommunication, Beijing, China;Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, Guangdong, China;State Key Lab of Networking and Switching Technology, Beijing University of Posts and Telecommunication, Beijing, China;Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, Guangdong, China

  • Venue:
  • FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 3
  • Year:
  • 2009

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Abstract

Feature selection has been studied widely in literatures in supervised learning scenarios. Feature selection methods are categorized into two classes: "wrapper" and "filter" approaches. In this paper, we propose a filter method called Cloud score based on Membership Cloud model in fuzzy field. We determine the discrimination power of a certain feature by Cloud score to evaluate the feature's importance. This method is compared with Variance and Fisher score methods on UCI Iris dataset. The results of the experiments demonstrate the feasibility of our algorithm.