贝叶斯估计 | WORIA

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https://www.woria.xyz/2019/06/30/%E8%B4%9D%E5%8F%B6%E6%96%AF/

贝叶斯公式 P(Bi∣A)=P(Bi)P(A∣Bi)∑j=1nP(Bj)P(A∣Bj)P(B_i|A)=\frac{P(B_i)P(A|B_i)}{\sum_{j=1}^n P(B_j)P(A|B_j)}P(Bi​∣A)=∑j=1n​P(Bj​)P(A∣Bj​)P(Bi​)P(A∣Bi​)​ 或P(B∣A)=P(A∣B)P(B)P(A)P(B|A)=\frac{P(A|B)P(B)}{P(A)}P