keynote:lesson02
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keynote:lesson02 [2010/04/26 13:32] 20921038 extend SVM |
keynote:lesson02 [2010/05/24 15:37] 10921038 微小改变，Bayes公式错了 |
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| 根据贝叶斯公式： | 根据贝叶斯公式： | ||
| - | <note>$P(Y|X) = \frac{P(X)P(Y|X)}{P(Y)}$</note> | + | <note>$P(Y|X) = \frac{P(Y)P(X|Y)}{P(X)}$</note> |
| - | 于是我们需要计算P(X),P(Y|X)即可 | + | 于是我们需要计算P(Y),P(X|Y)即可 |
| 构造一个分类器（Naive Beyes Classifier），即目标函数$f:X \to Y$ | 构造一个分类器（Naive Beyes Classifier），即目标函数$f:X \to Y$ | ||
keynote/lesson02.txt · Last modified: 2023/08/19 21:02 (external edit)
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