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02 机器学习-回归 20页公式 #1

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myhott163com opened this issue Sep 1, 2021 · 1 comment

myhott163com commented Sep 1, 2021 •

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方差的计算公式应该是$\frac{1}{m} \sum_{i=1}^{m}\left(x^{(i)}-u\right)^{2}$

而非$\frac{1}{m} \sum_{i=1}^{m}\left(x^{(i)}\right)^{2}$

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fengdu78 commented Oct 8, 2021

谢谢提醒

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