Optimizing performance measures for feature selection
- Publication Type:
- Conference Proceeding
- Proceedings - IEEE International Conference on Data Mining, ICDM, 2011, pp. 1170 - 1175
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Feature selection with specific multivariate performance measures is the key to the success of many applications, such as information retrieval and bioinformatics. The existing feature selection methods are usually designed for classification error. In this paper, we present a unified feature selection framework for general loss functions. In particular, we study the novel feature selection paradigm by optimizing multivariate performance measures. The resultant formulation is a challenging problem for high-dimensional data. Hence, a two-layer cutting plane algorithm is proposed to solve this problem, and the convergence is presented. Extensive experiments on large-scale and high-dimensional real world datasets show that the proposed method outperforms l 1-SVM and SVM-RFE when choosing a small subset of features, and achieves significantly improved performances over SVM perfin terms of F 1-score. © 2011 IEEE.
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