{"id":5710,"date":"2024-10-21T17:06:45","date_gmt":"2024-10-21T08:06:45","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=5710"},"modified":"2024-10-21T17:09:47","modified_gmt":"2024-10-21T08:09:47","slug":"abnormal_basic","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/abnormal_basic\/","title":{"rendered":"\u3010\u6a5f\u68b0\u5b66\u7fd2\u3011\u7570\u5e38\u691c\u77e5\u5165\u9580"},"content":{"rendered":"\n<p>\u6a5f\u68b0\u5b66\u7fd2\u5206\u91ce\u306e\u4e00\u3064\u3068\u3057\u3066\u7570\u5e38\u691c\u77e5\u304c\u5927\u304d\u304f\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u7570\u5e38\u691c\u77e5\u3068\u306f\u300c\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u3057\u305f\u5ba2\u89b3\u7684\u306a\u57fa\u6e96\u306b\u3088\u308a\u3001\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u304b\u3089\u5916\u308c\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u300d\u3067\u3059\u3002\u5ba2\u89b3\u7684\u306a\u8996\u70b9\u306b\u3088\u308a\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3057\u3088\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u306b\u306f\u6df1\u5c64\u5b66\u7fd2\u7cfb\u306e\u624b\u6cd5\u3001\u6b63\u5e38\u30c7\u30fc\u30bf\u306e\u9818\u57df\u3092\u63a8\u5b9a\u3057\u305d\u3053\u304b\u3089\u98db\u3073\u51fa\u305f\u30c7\u30fc\u30bf\u3092\u7570\u5e38\u3068\u307f\u306a\u3059\u624b\u6cd5\u306a\u3069\u3001\u69d8\u3005\u3042\u308a\u307e\u3059\u304c\u4eca\u56de\u306e\u30d6\u30ed\u30b0\u3067\u306f\u6b63\u5e38\u30c7\u30fc\u30bf\u306e\u80cc\u5f8c\u306b\u3042\u308b\u78ba\u7387\u5206\u5e03\u3092\u4eee\u5b9a\u3057\u3001\u305d\u306e\u78ba\u7387\u5206\u5e03\u304b\u3089\u767a\u751f\u78ba\u7387\u3092\u6c42\u3081\u3001\u767a\u751f\u78ba\u7387\u306e\u4f4e\u3044\u4e8b\u8c61\u306f\u7570\u5e38\u3067\u3042\u308b\u3068\u307f\u306a\u3059\u3001\u7d71\u8a08\u30e2\u30c7\u30eb\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u60f3\u5b9a\u3059\u308b\u78ba\u7387\u5206\u5e03\u306f\u6df7\u5408\u5206\u5e03\u3084\u6b63\u898f\u5206\u5e03\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u6b63\u898f\u5206\u5e03\u3092\u4eee\u5b9a\u3059\u308b\u30db\u30c6\u30ea\u30f3\u30b0\u7406\u8ad6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u6a5f\u68b0\u5b66\u7fd2\u5206\u91ce\u306e\u4e00\u3064\u3068\u3057\u3066\u7570\u5e38\u691c\u77e5\u304c\u5927\u304d\u304f\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u7570\u5e38\u691c\u77e5\u3068\u306f\u300c\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u3057\u305f\u5ba2\u89b3\u7684\u306a\u57fa\u6e96\u306b\u3088\u308a\u3001\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u304b\u3089\u5916\u308c\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u300d\u3067\u3059\u3002\u5ba2\u89b3\u7684\u306a\u8996\u70b9\u306b\u3088\u308a\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3057\u3088\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u306b\u306f\u6df1\u5c64\u5b66\u7fd2\u7cfb\u306e\u624b\u6cd5\u3001\u6b63\u5e38\u30c7\u30fc\u30bf\u306e\u9818\u57df\u3092\u63a8\u5b9a\u3057\u305d\u3053\u304b\u3089\u98db\u3073\u51fa\u305f\u30c7\u30fc\u30bf\u3092\u7570\u5e38\u3068\u307f\u306a\u3059\u624b\u6cd5\u306a\u3069\u3001\u69d8\u3005\u3042\u308a\u307e\u3059\u304c\u4eca\u56de\u306e\u30d6\u30ed\u30b0\u3067\u306f\u6b63\u5e38\u30c7\u30fc\u30bf\u306e\u80cc\u5f8c\u306b\u3042\u308b\u78ba\u7387\u5206\u5e03\u3092\u4eee\u5b9a\u3057\u3001\u305d\u306e\u78ba\u7387\u5206\u5e03\u304b\u3089\u767a\u751f\u78ba\u7387\u3092\u6c42\u3081\u3001\u767a\u751f\u78ba\u7387\u306e\u4f4e\u3044\u4e8b\u8c61\u306f\u7570\u5e38\u3067\u3042\u308b\u3068\u307f\u306a\u3059\u3001\u7d71\u8a08\u30e2\u30c7\u30eb\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u60f3\u5b9a\u3059\u308b\u78ba\u7387\u5206\u5e03\u306f\u6df7\u5408\u5206\u5e03\u3084\u6b63\u898f\u5206\u5e03\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u6b63\u898f\u5206\u5e03\u3092\u4eee\u5b9a\u3059\u308b\u30db\u30c6\u30ea\u30f3\u30b0\u7406\u8ad6\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n<h2>\u7570\u5e38\u691c\u77e5\u306e\u4f8b<\/h2>\n<p>\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u4f8b\u3092\u6319\u3052\u3066\u7570\u5e38\u691c\u77e5\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u5065\u5eb7\u8a3a\u65ad\u306e\u4f8b\u3092\u6319\u3052\u307e\u3059\u3002<\/p>\r\n<blockquote>\r\n<blockquote>\r\n<p><strong>\u4e00\u5b66\u5e74200\u4eba\u306e\u8eab\u9577\u3068\u4f53\u91cd\u3001\u554f\u8a3a\u7d50\u679c\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002<\/strong><\/p>\r\n<\/blockquote>\r\n<blockquote>\r\n<p><strong>\u3053\u3053\u3067\u300c\u666e\u901a\u3068\u306f\u5909\u308f\u3063\u305f\u632f\u308b\u821e\u3044\u300d\u3092\u898b\u3064\u3051\u51fa\u3059\u898f\u5247\u3092\u4f5c\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3002<\/strong><\/p>\r\n<\/blockquote>\r\n<\/blockquote>\r\n<p><!-- notionvc: b1de67dc-30c2-46a0-9f28-6ee556a436e5 --><\/p>\r\n<p>\u4f8b\u3068\u3057\u3066\u300c\u4f53\u91cd\u304c80kg\u4ee5\u4e0a\u306a\u3089\u3070\u592a\u308a\u3059\u304e\u300d\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u898f\u5247\u306f\u76f4\u89b3\u306b\u53cd\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u3068\u3053\u308d\u8eab\u9577\u306e\u9ad8\u3044\u4eba\u306f\u4f53\u91cd\u3082\u591a\u304f\u306a\u308b\u306e\u3067\u4f53\u91cd\u3068\u8eab\u9577\u3092\u8003\u616e\u3057\u305f\u6307\u6a19\u304c\u5fc5\u8981\u3067\u3059\u3002\u3088\u3063\u3066WHO\u3067\u306f\u4ee5\u4e0b\u306e\u6307\u6a19\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<blockquote>\r\n<p>BMI = \u4f53\u91cd[kg] \/ \u8eab\u9577[m]\u306e\u4e8c\u4e57<\/p>\r\n<\/blockquote>\r\n<p>\u307e\u305f\u3001\u3053\u306e\u6307\u6a19\u304c\uff12\uff15\u3092\u8d85\u3048\u308b\u3068\u592a\u308a\u3059\u304e\u3068\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u3067\u306f\u306a\u305c\u3001\uff12\uff15\u3092\u8d85\u3048\u308b\u3068\u592a\u308a\u3059\u304e\u3068\u8003\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u308c\u306f\u3001\u6b63\u5e38\u3067\u5065\u5eb7\u306e\u4eba\u306e\u591a\u304f\u304c\u5927\u4f5325\u672a\u6e80\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u3088\u3046\u306b\u7570\u5e38\u691c\u77e5\u306e\u57fa\u672c\u306f\u6b63\u5e38\u3068\u306a\u308b\u30e2\u30c7\u30eb\uff08\u57fa\u6e96\uff09\u3092\u30c7\u30fc\u30bf\u304b\u3089\u4f5c\u6210\u3057\u3001\u305d\u306e\u30e2\u30c7\u30eb\uff08\u57fa\u6e96\uff09\u304b\u3089\u5916\u308c\u308b\u3082\u306e\u3092\u7570\u5e38\u3068\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u5065\u5eb7\u306a\u4eba\u3067\u3042\u308c\u3070BMI\u306e\u5024\u304c\u3053\u308c\u304f\u3089\u3044\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u308b\u3068\u3044\u3063\u305f\u77e5\u8b58\u3092\u7528\u3044\u3066\u6b63\u5e38\u3068\u7570\u5e38\u3092\u5206\u96e2\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u7d50\u5c40\u306e\u3068\u3053\u308d\u6a5f\u68b0\u5b66\u7fd2\u3067\u7570\u5e38\u691c\u77e5\u3092\u884c\u3046\u3068\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u300c\u77e5\u8b58\u3092\u6a5f\u68b0\u5b66\u7fd2\u306e\u624b\u6cd5\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u304b\u3089\u898b\u3064\u3051\u51fa\u3055\u305b\u308b\u3053\u3068\u300d\u306b\u4ed6\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n<h2>\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u30c7\u30fc\u30bf\u306e\u7570\u5e38\u691c\u77e5<\/h2>\n<p>\u3067\u306f\u3001\u3053\u3053\u304b\u3089\u6b63\u5e38\u30c7\u30fc\u30bf\u304c\u6b63\u898f\u5206\u5e03\u5f93\u3046\u3068\u4eee\u5b9a\u3057\u305f\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<p>\u4eca\u56de\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u306f200\u4eba\u306e\u4f53\u91cd\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\r\n<p><!-- notionvc: bd796d91-245a-4e2d-a7bd-d84ae339b8d0 --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-10-16-111035.png\" alt=\"\" width=\"103\" height=\"86\" class=\"aligncenter wp-image-5711 \" \/><\/p>\r\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306f\u7d04\uff16\uff10\uff4b\uff47\u4ed8\u8fd1\u3092\u4e2d\u5fc3\u306b\u4e00\u5c71\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u6b63\u898f\u5206\u5e03\u3092\u4eee\u5b9a\u3057\u307e\u3059\u3002<\/p>\r\n<b>\u6b63\u898f\u5206\u5e03\u3068\u306f<\/b>\r\n<p>\u3067\u306f\u6b63\u898f\u5206\u5e03\u3068\u306f\u3069\u3093\u306a\u5206\u5e03\u3067\u3042\u3063\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-5.png\" alt=\"\" width=\"604\" height=\"424\" class=\"aligncenter wp-image-5713 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-5.png 604w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-5-300x211.png 300w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/p>\r\n<p>\u6b63\u898f\u5206\u5e03\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306b\u5e73\u5747\u3092\u4e2d\u5fc3\u306b\u5de6\u53f3\u5bfe\u79f0\u306b\u306a\u3063\u3066\u3044\u308b\u5206\u5e03\u3067\u3059\u3002<\/p>\r\n<p>\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u3067\u3042\u308a<\/p>\r\n<p>$$<br \/>\r\nf(x|\\mu,\\sigma) = \\frac{1}{\\sqrt{2 \\pi \\sigma^2}}exp(-\\frac{(x-\\mu)^2}{2\\sigma^2})<br \/>\r\n$$<\/p>\r\n<p>\u5e73\u5747\u3068\u6a19\u6e96\u504f\u5dee\u304c\u6c7a\u5b9a\u3055\u308c\u308b\u3068\u5206\u5e03\u306e\u5f62\u304c\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u6b63\u5e38\u30c7\u30fc\u30bf\u306e\u5206\u5e03\u304c\u63a8\u5b9a\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306f\u7701\u304d\u307e\u3059\u304c\u5e73\u5747\u3068\u5206\u6563\u306f\u6b21\u306e\u5f0f\u3067\u63a8\u5b9a\u3057\u307e\u3059\u3002<\/p>\r\n<p>$$<br \/>\r\n\\mu = \\frac{1}{n}\\sum^n_{i=1}x_i<br \/>\r\n$$<\/p>\r\n<p>$$<br \/>\r\n\\sigma^2 = \\frac{1}{n}\\sum^n_{i=1}(x_i-\\mu)^2<br \/>\r\n$$<\/p>\r\n<p>\u6a19\u6e96\u504f\u5dee\u306f\u5206\u6563\u306e\u6839\u53f7\u3092\u53d6\u308b\u3053\u3068\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<b>\u7570\u5e38\u5ea6\u306e\u5b9a\u7fa9<\/b>\r\n<p>\u7570\u5e38\u5ea6\u3068\u306f\u5404\u30c7\u30fc\u30bf\u306e\u7570\u5e38\u5ea6\u5408\u3044\u3092\u6570\u5024\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u51fa\u73fe\u78ba\u7387\u306e\u9ad8\u3044\u89b3\u6e2c\u5024\u306f\u7570\u5e38\u5ea6\u304c\u4f4e\u304f\u3001\u51fa\u73fe\u78ba\u7387\u306e\u4f4e\u3044\u89b3\u6e2c\u5024\u306f\u7570\u5e38\u5ea6\u304c\u9ad8\u304f\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u4ee5\u4e0b\u306e\u5f0f\u304c\u3088\u304f\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<p>$$<br \/>\r\nA(x_i) = -logP(x_i|D)<br \/>\r\n$$<\/p>\r\n<p>A\u306f\u5404\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u7570\u5e38\u5024\u3092\u8868\u3057\u3001P\u306f\u30c7\u30fc\u30bfD\u304b\u3089\u4f5c\u6210\u3055\u308c\u305f\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3067\u3059\u3002<\/p>\r\n<p>\u3053\u306e\u30b0\u30e9\u30d5\u306f<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-6.png\" alt=\"\" width=\"349\" height=\"250\" class=\"aligncenter wp-image-5714 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-6.png 349w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-6-300x215.png 300w\" sizes=\"(max-width: 349px) 100vw, 349px\" \/><\/p>\r\n<p>\u3068\u306a\u308a\u51fa\u73fe\u78ba\u7387\u304c\u5927\u304d\u3044\u307b\u3069\u7570\u5e38\u5ea6\u304c\u4e0b\u304c\u308a\u3001\u51fa\u73fe\u78ba\u7387\u304c\u5c0f\u3055\u3044\u307b\u3069\u7570\u5e38\u5ea6\u304c\u9ad8\u304f\u306a\u308a\u3001\u9069\u5207\u306b\u8868\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5f0f\u306b\u6b63\u898f\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\u3092\u4ee3\u5165\u3057\u3001\u6574\u7406\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7570\u5e38\u5ea6\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<p>$$<br \/>\r\nA(x) = \\frac{(x-\\mu)^2}{\\sigma^2}<br \/>\r\n$$<\/p>\r\n<p>\u3053\u306e\u7570\u5e38\u5ea6\u306f\u5e73\u5747\u304b\u3089\u96e2\u308c\u308b\u307b\u3069\u7570\u5e38\u5ea6\u304c\u9ad8\u304f\u3001\u5206\u6563\u304c\u5927\u304d\u3044\u307b\u3069\uff08\u30c7\u30fc\u30bf\u304c\u6563\u3089\u3070\u3063\u3066\u3044\u308b\u307b\u3069\uff09\u7570\u5e38\u5ea6\u304c\u4f4e\u304f\u306a\u308b\u3068\u7406\u89e3\u3067\u304d\u3001\u76f4\u89b3\u7684\u306b\u3082\u7406\u89e3\u3057\u3084\u3059\u3044\u5024\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<p>&nbsp;<\/p>\n\n<h2>\u95be\u5024\u8a08\u7b97<\/h2>\n<p>\u3053\u3053\u307e\u3067\u3067\u4efb\u610f\u306e\u89b3\u6e2c\u5024\u306b\u5bfe\u3057\u3066\u7570\u5e38\u5ea6\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p>\u8a73\u7d30\u306f\u7701\u304d\u307e\u3059\u304c\u3053\u306e\u7570\u5e38\u5ea6\u304c\u3042\u308b\u5206\u5e03\u306b\u5f93\u3046\u3053\u3068\u3092\u5229\u7528\u3057\u3066\u6b63\u5e38\u7570\u5e38\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\r\n<blockquote>\r\n<p><strong>\u30db\u30c6\u30ea\u30f3\u30b0\u7d71\u8a08\u91cf\u306e\u5206\u5e03\uff08\u7c21\u6613\u7248\uff09<\/strong><\/p>\r\n<p><strong>\u30c7\u30fc\u30bf\u6570\u304c\u5341\u5206\u306b\u5927\u304d\u3044\u3068\u304d\u3001\u524d\u306b\u5b9a\u7fa9\u3057\u305f\u7570\u5e38\u5ea6\u306f\u81ea\u7531\u5ea6\uff11\u306e\u30ab\u30a4\u4e8c\u4e57\u306b\u5f93\u3046\u3002<\/strong><\/p>\r\n<p>$$<br \/>\r\nA(x) \\sim\\chi^2(1)<br \/>\r\n$$<\/p>\r\n<\/blockquote>\r\n<p>\u4f8b\u3048\u3070\u4f53\u91cd\u304c69.8kg\u306e\u6642<\/p>\r\n<p>\u305d\u306e\u7570\u5e38\u5ea6\u306f2.0\u3068\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u304d\u307e\u3059\u3002\u3053\u306e\u7570\u5e38\u5ea62.0\u304c\u3069\u306e\u7a0b\u5ea6\u3042\u308a\u3048\u306a\u3044\u306e\u304b\u3092\u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u3092\u4f7f\u7528\u3057\u3066\u6c42\u3081\u3001\u4e8b\u524d\u306b\u8a2d\u5b9a\u3057\u305f\u95be\u5024\u3068\u6bd4\u3079\u7570\u5e38\u5224\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u95be\u5024\u3092\uff15\uff05\u3068\u3057\u307e\u3059\u3002<\/p>\r\n<p>\u307e\u305f\u3001\u7570\u5e38\u5ea6\u304c2.0\u306e\u5834\u5408\u3001\u4e0b\u56f3\u306f\u81ea\u7531\u5ea6\uff11\u306e\u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u4ee5\u4e0b\u306e\u30d4\u30f3\u30af\u8272\u306e\u90e8\u5206\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u78ba\u7387\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-7.png\" alt=\"\" width=\"686\" height=\"513\" class=\"aligncenter wp-image-5715 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-7.png 686w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/10\/image-7-300x224.png 300w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/p>\r\n<p>\u3053\u308c\u3092\u8a08\u7b97\u3059\u308b\u306815.7%\u3068\u306a\u308a\u3001\u95be\u5024\uff15\uff05\u3088\u308a\u5927\u304d\u3044\u306e\u3067\u300c\u7570\u5e38\u3067\u306f\u306a\u3044\u300d\u3068\u5224\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<p>&nbsp;<\/p>\n\n<h2>R\u3067\u306e\u5b9f\u88c5<\/h2>\n<p>\u3053\u3053\u3067\u306f\u4f53\u91cd\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u300170kg\u3001110kg\u306e\u30c7\u30fc\u30bf\u304c\u7570\u5e38\u304b\u7570\u5e38\u3067\u306f\u306a\u3044\u304b\u3092\u5224\u5b9a\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u4e0a\u8a18\u306e\u6b63\u5e38\u30c7\u30fc\u30bf\u304c\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u3053\u3068\u3092\u4eee\u5b9a\u3057\u305f\u624b\u6cd5\u306b\u306a\u308b\u306e\u3067\u898b\u6bd4\u3079\u306a\u304c\u3089\u30b3\u30fc\u30c9\u3092\u898b\u3066\u3044\u304f\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3068\u3082\u3044\u307e\u3059\u3002<\/p>\r\n<b>\u5fc5\u8981\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># \u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\uff08\u3059\u3067\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u306e\u5834\u5408\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u307e\u3059\uff09\r\nif (!require(car)) {\r\ninstall.packages(\"car\", repos = \"http:\/\/cran.rstudio.com\/\")\r\n}\r\nif (!require(mvoutlier)) {\r\ninstall.packages(\"mvoutlier\", repos = \"http:\/\/cran.rstudio.com\/\")\r\n}\r\n# \u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\r\nlibrary(car)\r\nlibrary(mvoutlier)<\/code><\/pre>\r\n<b>\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u62bd\u51fa<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># Davis\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u8aad\u307f\u8fbc\u307f\r\ndata(Davis)\r\n\r\n# \u4f53\u91cd\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\r\nweights &lt;- Davis$weight<\/code><\/pre>\r\n<b>\u5e73\u5747\u3068\u5206\u6563\u306e\u7b97\u51fa<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># 1. \u5e73\u5747\u3068\u5206\u6563\u3092\u8a08\u7b97\r\nmean_weight &lt;- mean(weights, na.rm = TRUE)\r\nvar_weight &lt;- var(weights, na.rm = TRUE)<\/code><\/pre>\r\n<b>\u7570\u5e38\u5024\u3092\u8a08\u7b97\u3059\u308b\u95a2\u6570<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># 2. \u30db\u30c6\u30ea\u30f3\u30b0T\u00b2\u30b9\u30b3\u30a2\u3092\u8a08\u7b97\u3059\u308b\u95a2\u6570\r\nhotelling_t2 &lt;- function(value, mean, var) {\r\nt2_value &lt;- (value - mean)^2 \/ var\r\nreturn(t2_value)\r\n}<\/code><\/pre>\r\n<b>\u30ab\u30a4\u4e8c\u4e57\u304b\u3089\u6b63\u5e38\u7570\u5e38\u3092\u5224\u65ad\u3059\u308b\u95a2\u6570<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># 3. \u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u3092\u4f7f\u3063\u3066\u7570\u5e38\u3092\u691c\u77e5\u3059\u308b\u95a2\u6570\r\ndetect_anomaly &lt;- function(value, mean, var, significance_level = 0.01) {\r\n# \u4e00\u6b21\u5143\u30c7\u30fc\u30bf\u306e\u81ea\u7531\u5ea6\u306f1\u306a\u306e\u3067\u3001\u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u306e\u81e8\u754c\u5024\u3092\u8a08\u7b97\r\ncritical_value &lt;- qchisq(1 - significance_level, df = 1)\r\n# \u30db\u30c6\u30ea\u30f3\u30b0T\u00b2\u5024\u3092\u8a08\u7b97\r\nt2_value &lt;- hotelling_t2(value, mean, var)\r\n# T\u00b2\u5024\u304c\u81e8\u754c\u5024\u3092\u8d85\u3048\u308c\u3070\u7570\u5e38\u3068\u5224\u65ad\r\nif (t2_value &gt; critical_value) {\r\nreturn(TRUE) # \u7570\u5e38\r\n} else {\r\nreturn(FALSE) # \u6b63\u5e38\r\n}\r\n}<\/code><\/pre>\r\n<b>70kg\u304c\u7570\u5e38\u304b\u5224\u5b9a\u3059\u308b<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># 4. \u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf70kg\u304c\u7570\u5e38\u304b\u3069\u3046\u304b\u3092\u691c\u77e5\r\nnew_weight &lt;- 70\r\nis_anomalous &lt;- detect_anomaly(new_weight, mean_weight, var_weight)\r\n# \u7d50\u679c\u3092\u8868\u793a\r\nif (is_anomalous) {\r\ncat(sprintf(\"\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf %d kg \u306f\u7570\u5e38\u3067\u3059\u3002\\n\", new_weight))\r\n} else {\r\ncat(sprintf(\"\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf %d kg \u306f\u7570\u5e38\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\\n\", new_weight))\r\n}<\/code><\/pre>\r\n<b>\u7d50\u679c<\/b>\r\n<blockquote>\r\n<p>\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf\uff17\uff10\uff4b\uff47\u306f\u7570\u5e38\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<\/blockquote>\r\n<b>110kg\u304c\u7570\u5e38\u304b\u5224\u5b9a\u3059\u308b<\/b>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># 4. \u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf110kg\u304c\u7570\u5e38\u304b\u3069\u3046\u304b\u3092\u691c\u77e5\r\nnew_weight &lt;- 110\r\nis_anomalous &lt;- detect_anomaly(new_weight, mean_weight, var_weight)\r\n# \u7d50\u679c\u3092\u8868\u793a\r\nif (is_anomalous) {\r\ncat(sprintf(\"\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf %d kg \u306f\u7570\u5e38\u3067\u3059\u3002\\n\", new_weight))\r\n} else {\r\ncat(sprintf(\"\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf %d kg \u306f\u7570\u5e38\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\\n\", new_weight))\r\n}<\/code><\/pre>\r\n<b>\u7d50\u679c<\/b>\r\n<blockquote>\r\n<p>\u65b0\u3057\u3044\u4f53\u91cd\u30c7\u30fc\u30bf110kg\u306f\u7570\u5e38\u3067\u3059\u3002<\/p>\r\n<\/blockquote>\r\n<p>\u3057\u305f\u304c\u3063\u3066\u4f5c\u6210\u3057\u305f\u30e2\u30c7\u30eb\u306b\u3088\u308b\u3068\uff17\uff10\uff4b\uff47\u306e\u4f53\u91cd\u306f\u6b63\u5e38\u3067\u3042\u308a\u3001\uff11\uff11\uff10\uff4b\uff47\u306e\u4f53\u91cd\u306f\u7570\u5e38\u3067\u3042\u308b\u3068\u5224\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\n\n<h2>\u7d42\u308f\u308a\u306b<\/h2>\n<p>\u4eca\u56de\u306f\u3001\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u306e\u6700\u3082\u57fa\u672c\u3067\u3042\u308b\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u30c7\u30fc\u30bf\u306e\u7570\u5e38\u691c\u77e5\u3092\u6271\u3044\u307e\u3057\u305f\u3002\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u306f\u6df1\u5c64\u5b66\u7fd2\u7cfb\u306e\u30aa\u30fc\u30c8\u30a8\u30f3\u30b3\u30fc\u30c0\u3001\u5206\u96e2\u66f2\u9762\u3092\u8003\u3048\u308bOneClassSVM\u306a\u3069\u304c\u3042\u308a\u3001\u72b6\u6cc1\u306b\u300c\u3088\u3063\u3066\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u4eca\u5f8c\u3082\u7570\u5e38\u691c\u77e5\u624b\u6cd5\u306b\u3064\u3044\u3066\u6271\u3063\u3066\u3044\u304f\u306e\u3067\u4e00\u3064\u305a\u3064\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<p>\u5165\u9580\u3000\u6a5f\u68b0\u5b66\u7fd2\u306b\u3088\u308b\u7570\u5e38\u691c\u77e5\u3000R\u306b\u3088\u308b\u5b9f\u8df5\u30ac\u30a4\u30c9\u3000\u8457\u8005\uff1a\u4e95\u51fa\u525b<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6a5f\u68b0\u5b66\u7fd2\u5206\u91ce\u306e\u4e00\u3064\u3068\u3057\u3066\u7570\u5e38\u691c\u77e5\u304c\u5927\u304d\u304f\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u7570\u5e38\u691c\u77e5\u3068\u306f\u300c\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u3057\u305f\u5ba2\u89b3\u7684\u306a\u57fa\u6e96\u306b\u3088\u308a\u3001\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u304b\u3089\u5916\u308c\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u300d\u3067\u3059\u3002\u5ba2\u89b3\u7684\u306a\u8996\u70b9\u306b\u3088\u308a\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3057 [&hellip;]<\/p>\n","protected":false},"author":44,"featured_media":2525,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1249],"tags":[759,419,675],"class_list":["post-5710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-759","tag-419","tag-675"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/5710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=5710"}],"version-history":[{"count":0,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/5710\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/2525"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=5710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=5710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=5710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}