特征选择的方法上，结合了文档频数和互信息量，并对他们进行了改进。

On feature selection, document frequency was combined with mutual information, and performance was improved.

youdao

特征选择的方法上，结合了文档频数和互信息量，并对他们进行了改进。

On feature selection, document frequency was combined with mutual information, and performance was improved.

youdao