题目内容

Generally speaking, Bacon's literary style has three prominent qualities: brevity,compactness and forcefulness.

A. 对
B. 错

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A good essayist should always express his thought with clearness and in as few words as possible.

A. 对
B. 错

关于信息增益,决策树分裂节点,下列说法中正确的是:()

A. 纯度高的节点需要更多的信息去区分
B. 信息增益可以用“entroy(前) - entroy(后)”获得
C. 如果选择一个属性具有多个类别值,那么这个信息增益是有偏差的

简述决策树的原理和构建过程。

简述KNN算法的原理?

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