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For the SVM classifier, top k features are retained while the difference of two classification accuracies, produced by top k-1 and top k features respecitvely, is the largest one among all differences of adjacent two classification accuracies, where k=1,...,I, and I is the maximum number of retained features.

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[ Last edited by sunyan225 on 2013-7-17 at 20:03 ]
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