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模型的性能度量 | weak-fox #4

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@weak-fox

https://weak-fox.github.io/2019/07/18/%E6%A8%A1%E5%9E%8B%E7%9A%84%E6%80%A7%E8%83%BD%E5%BA%A6%E9%87%8F/

模型的性能度量性能度量:评价模型泛化能力的标准。
均方误差回归模型的性能度量通常选用均方误差(Mean Squared Error)。
分类算法的性能度量
错误率:分类错误的样本占总样本的比例。
精度:分类正确的样本占总样本的比例。
查准率

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