Merge pull request #281 from CoderOverflow/patch-2

2.11.4 对数损失函数是如何度量损失的? 内容修订
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scutan90 2019-04-05 22:07:41 +08:00 committed by GitHub
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@ -536,7 +536,7 @@ $$
$$
上式左半部分为对数损失函数。损失函数越小越好因此我们令等式左半的对数损失函数为0可得
$$
\mu=\frac{x_1+x_2+...+x_n}{n}同理,可计算$\sigma $。
\mu=\frac{x_1+x_2+...+x_n}{n}
$$
同理,可计算$\sigma $。