单词：information gain
information gain的用法和样例：
例句
- At the same time, the significance measurement is denoted as the information gain and an algorithm of computing reduct based on this measurement is provided.用信息论的观点来解释属性约简的含义，提出用信息增益作为属性的重要度量，并给出了基于这种重要度量的属性约简算法。
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