{"provider_name":"Hatena Blog","width":"100%","blog_url":"https://intrinsic-motivation.hatenablog.com/","version":"1.0","provider_url":"https://hatena.blog","blog_title":"Study Log","published":"2019-07-06 18:35:51","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fintrinsic-motivation.hatenablog.com%2Fentry%2F2019%2F07%2F06%2F183551\" title=\"\u300eR\u306b\u3088\u308b\u7d71\u8a08\u7684\u5b66\u7fd2\u5165\u9580\u300f\u89e3\u7b54(4.7 \u6f14\u7fd2\u554f\u984c) - Study Log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://intrinsic-motivation.hatenablog.com/entry/2019/07/06/183551","type":"rich","categories":["R","R\u306b\u3088\u308b\u7d71\u8a08\u7684\u5b66\u7fd2\u5165\u9580","\u5927\u5b66\u9662","\u6a5f\u68b0\u5b66\u7fd2"],"author_name":"intrinsic_motivation","author_url":"https://blog.hatena.ne.jp/intrinsic_motivation/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/intrinsic_motivation/20190809/20190809001936.png","title":"\u300eR\u306b\u3088\u308b\u7d71\u8a08\u7684\u5b66\u7fd2\u5165\u9580\u300f\u89e3\u7b54(4.7 \u6f14\u7fd2\u554f\u984c)","description":"\u300eR\u306b\u3088\u308b\u7d71\u8a08\u7684\u5b66\u7fd2\u5165\u9580\u300f\u306e\u89e3\u7b54\u4f8b\u30fb\u89e3\u7b54\u4e0a\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u8f09\u305b\u307e\u3059\u3002 \u89e3\u7b54\u306e\u76ee\u6b21\u3001\u4ed6\u306e\u65b9\u306e\u89e3\u7b54\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u306b\u307e\u3068\u3081\u3066\u3042\u308a\u307e\u3059\u3002 intrinsic-motivation.hatenablog.com 4.7 \u6f14\u7fd2\u554f\u984c \u7406\u8ad6\u7de8 (1)\u5f0f(4.2)\u3092\u5909\u5f62\u3057\u3066\u5f0f(4.3)\u306b\u3057\u307e\u3059\u3002 \u203b\u8a18\u8ff0\u304c\u9762\u5012\u306a\u306e\u3067\u3001\u4fbf\u5b9c\u4e0a\u3001\u5f0f4.3\u306e\u53f3\u8fba\u3092Z\u3068\u7f6e\u304d\u307e\u3059\u3002 \u5f0f(4.2)\u3092\u5909\u5f62\u3059\u308b\u3068 P(X) = Z/(1+Z) \u21d4 P(X)(1+Z) = Z \u21d4P(X)+P(X)Z = Z \u21d4 P(X)=(1-P(X))Z \u21d4 Z=P(X)/(1-P(X)) \u5f0f(4.3) \u3068\u306a\u308a\u3001\u540c\u5024\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u305f\u3002 (2)\u301c(4)\u4e0a\u8a18\u30ea\u30f3\u30af\u5148\u2026","height":"190"}