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A Review of Feature Selection Methods Based on Mutual Information

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arxiv 1509.07577 v1 pith:AB5ZLWM6 submitted 2015-09-24 cs.LG stat.ML

classification cs.LGstat.ML
keywords featureselectiondefinedinformationmethodsreviewapproximationsblanket
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In this work we present a review of the state of the art of information theoretic feature selection methods. The concepts of feature relevance, redundance and complementarity (synergy) are clearly defined, as well as Markov blanket. The problem of optimal feature selection is defined. A unifying theoretical framework is described, which can retrofit successful heuristic criteria, indicating the approximations made by each method. A number of open problems in the field are presented.

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