Four different feature selection methods are discussed,including Document Frequency(DF),Mutual Information(MI),X2 test(CHI),Correlation Coefficient(CC),and the correction of text categorization is compared using the algorithm of K nearest neighbor.是什么意思_Four different feature selection methods are discussed,including Document Frequency(DF),Mutual Information(MI),X2 test(CHI),Correlation Coefficient(CC),and the correction of text categorization is compared using the algorithm of K nearest neighbor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句