Unverified50% confidenceFactExact time
决策树的分裂准则(信息增益、基尼不纯度、均方误差)本质上是排序统计量的函数,只关心阈值两侧的类别比例而非样本间距离
1
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50%
Confidence
Long-term
Relevance
8/24/2026
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