期刊
PATTERN RECOGNITION
卷 45, 期 1, 页码 531-539出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.patcog.2011.06.006
关键词
Feature selection; Ensemble methods for classification; Microarray data sets
资金
- Spanish Ministerio de Ciencia e Innovacion [TIN2009-10748]
- Xunta de Galicia [08TIC012105PR, 2007/134]
- FEDER
In this paper a new framework for feature selection consisting of an ensemble of filters and classifiers is described. Five filters, based on different metrics, were employed. Each filter selects a different subset of features which is used to train and to test a specific classifier. The outputs of these five classifiers are combined by simple voting. In this study three well-known classifiers were employed for the classification task: C4.5, naive-Bayes and IB1. The rationale of the ensemble is to reduce the variability of the features selected by filters in different classification domains. Its adequacy was demonstrated by employing 10 microarray data sets. (C) 2011 Elsevier Ltd. All rights reserved.
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