{"image_url":null,"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","version":"1.0","type":"rich","url":"https://randommemory.hatenablog.com/entry/2016/07/29/005729","published":"2016-07-29 00:57:29","title":"\u72ec\u7acb\u6027\u306f\u6761\u4ef6\u4ed8\u304d\u72ec\u7acb\u6027\u3092\u5c0e\u304f\u304b\uff1f","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F07%2F29%2F005729\" title=\"\u72ec\u7acb\u6027\u306f\u6761\u4ef6\u4ed8\u304d\u72ec\u7acb\u6027\u3092\u5c0e\u304f\u304b\uff1f - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://randommemory.hatenablog.com/","categories":["statistics"],"author_url":"https://blog.hatena.ne.jp/derwind/","description":"\u30d9\u30a4\u30ba\u66f4\u65b0\u3092\u8003\u3048\u308b - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u4ee5\u6765\u3001\u4efb\u610f\u306e\u4e8b\u8c61$A$\u306b\u5bfe\u3057\u3066\u3001 \\begin{equation} P(B,C) = P(B)P(C) \\overset{?}{\\Longrightarrow} P(B,C|A) = P(B|A)P(C|A) \\end{equation}\u304c\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u3002 \u78ba\u7387\u7a7a\u9593$\\Omega$\u30922\u3064\u306e\u30b5\u30a4\u30b3\u30edX,Y\u306e\u76ee\u5168\u4f53\u306e\u306a\u3059\u96c6\u5408\u3068\u3057\u3001B\u3092\u30b5\u30a4\u30b3\u30edX\u306e\u76ee\u304c1\u306e\u4e8b\u8c61, C\u3092\u30b5\u30a4\u30b3\u30edY\u306e\u76ee\u304c1\u306e\u4e8b\u8c61\u3068\u3059\u308b\u3068\u304d\u3001\u4e8b\u8c61$A = B \\cup C$\u3001\u3064\u307e\u308a\u5c11\u306a\u304f\u3068\u3082\u30b5\u30a4\u30b3\u30edX\u6216\u306fY\u306e\u76ee\u304c1\u3068\u3044\u3046\u4e8b\u8c61\u3068\u3059\u308b\u3068\u6761\u4ef6\u4ed8\u304d\u72ec\u7acb\u6027\u306f\u6210\u7acb\u3057\u306a\u3044\u3002 $A \\cap B = (B \\cup \u2026","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","width":"100%","author_name":"derwind"}