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2 posts tagged with "高斯混合模型"

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Mixture Model

· 5 min read
PuQing
AI, CVer, Pythoner, Half-stack Developer
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In statistics, a mixture model is a probabilistic model for representing the presence of subpopulations within an overall population, without requiring that an observed data set should identify the sub-population to which an individual observation belongs

Introduce

三硬币模型

假设有 3 枚硬币,分别记作 A,B,CA,B,C。这些硬币正面出现的概率分别是 π,p,q\pi,p,q。进行如下掷硬币实验:先掷硬币 AA,根据其结果选出硬币 BB,反面选硬币 CC;然后掷选出的硬币,掷硬币的结果,出现正面记作 1,出现反面记作 0;独立地重复 nn 次实验(这里,n=10n=10),观测结果如下: