{"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama-memo.hatenablog.jp%2Fentry%2F20150820%2F1440058745\" title=\"\u521d\u7b49\u7684\u6982\u5ff5\u3068\u8a18\u6cd5\u306e\u5408\u7406\u5316 - (\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u78ba\u7387\u7d71\u8a08","\u7528\u8a9e\u6cd5","\u30c0\u30e1\u51fa\u3057"],"published":"2015-08-20 17:19:05","provider_url":"https://hatena.blog","url":"https://m-hiyama-memo.hatenablog.jp/entry/20150820/1440058745","description":"\u8a18\u53f7 \u540d\u79f0 \u5408\u7406\u5316 \u03bc \u6bcd\u5e73\u5747 \u03bc[X] \u03c32 \u6bcd\u5206\u6563 \u03c32[X] \u6a19\u672c\u5e73\u5747 mean, Mn[X] s2 \u6a19\u672c\u5206\u6563 bvar, bvar(X(n)) \u6bcd\u8aa4\u5dee\u5206\u6563 \u03c32[Mn[X]] \u6a19\u672c\u8aa4\u5dee\u5206\u6563 \u7121\u7406 \u4e0d\u504f\u5206\u6563 uvar(X(n)) \u4e0d\u504f\u8aa4\u5dee\u5206\u6563 (1/n)uvar(X(n)) \u6bcd\u5e73\u5747\u3001\u6bcd\u5206\u6563\u3001\u6bcd\u6a19\u6e96\u504f\u5dee\u306b\u95a2\u3057\u3066\u306f\u3001\u96c6\u56e3\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u57fa\u672c\u89b3\u6e2c\u91cf\u3067\u3042\u308b\u78ba\u7387\u5909\u6570\u3092\u53d7\u3051\u53d6\u308b\u6c4e\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3002\u96c6\u56e3\u306b\u5bfe\u3059\u308b\u6c4e\u95a2\u6570\uff1d\u5909\u91cf\uff08\u78ba\u7387\u5909\u6570\uff09\u306b\u5bfe\u3059\u308b\u6c4e\u95a2\u6570\uff1d\u5206\u5e03\u306b\u5bfe\u3059\u308b\u6c4e\u95a2\u6570\u3002 \u03bc = \u03bcx = \u03bcX = \u03bc[X] = E[X] \u03c32 = \u03c32x = \u03c32X = \u03c32[X] = SV[X] = E[(X|X)\u2026","provider_name":"Hatena Blog","blog_url":"https://m-hiyama-memo.hatenablog.jp/","type":"rich","author_name":"m-hiyama-memo","blog_title":"(\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8","title":"\u521d\u7b49\u7684\u6982\u5ff5\u3068\u8a18\u6cd5\u306e\u5408\u7406\u5316","width":"100%","author_url":"https://blog.hatena.ne.jp/m-hiyama-memo/","version":"1.0","image_url":null}