{"title":"ROC\u66f2\u7dda\u4e0b\u306e\u9762\u7a4d","description":"ROC\u66f2\u7dda\u306eAUC(Area Under the Curve)\u306fAUC\u306f0\u304b\u30891\u307e\u3067\u306e\u5024\u3092\u3068\u308b\u3002\u5024\u304c1\u3060\u3068\u5b8c\u5168\u306b\u5224\u5225\u304c\u3067\u304d\u3066\u304a\u308a\u3001\u30e9\u30f3\u30c0\u30e0\u3067\u3042\u308b\u3068\u304d\u3001AUC = 0.5\u3068\u306a\u308b\u3002 \u533b\u5b66\u3067\u5c3a\u5ea6(\u9023\u7d9a\u5909\u6570)\u3068\u8a3a\u65ad(\uff12\u5024)\u306e\u4e00\u81f4\u5ea6\u3001\u3064\u307e\u308a\u4f75\u5b58\u59a5\u5f53\u6027\u3092\u8868\u3059\u3068\u304d\u306b\u4f7f\u3046\u3089\u3057\u3044\u3002\u8ad6\u6587\u3067\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u305d\u3046\u3060\u3002\u50d5\u306f\u99b4\u67d3\u307f\u304c\u306a\u3044\u304c\u306a\u3044\u65b9\u6cd5\u306a\u306e\u3067\u3001\u4f7f\u7528\u4f8b\u3092\u3069\u3053\u304b\u3067\u63a2\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3046\u3002 \u3061\u306a\u307f\u306b\u3001ROC\u66f2\u7dda\u306f\u5965\u6751\u6674\u5f66\u5148\u751f\u306e\u89e3\u8aac\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3046\u3002 \u30c7\u30fc\u30bf\u306e\u4f5c\u6210 \u5c3a\u5ea6\u3068\u8a3a\u65ad\u306e\u4e00\u81f4\u5ea6\u3092\u898b\u308b\u3068\u3044\u3046\u8a2d\u5b9a\u3067\u66f8\u3044\u3066\u307f\u308b\u3002\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306f100\u3067\u3042\u308b\u3002 set.seed(101) N <- 100 x <- rnorm(N, 20\u2026","type":"rich","url":"https://ides.hatenablog.com/entry/2019/10/08/152927","author_name":"iDES","categories":["R","\u8a08\u91cf"],"published":"2019-10-08 15:29:27","width":"100%","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/iDES/20191008/20191008152532.png","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fides.hatenablog.com%2Fentry%2F2019%2F10%2F08%2F152927\" title=\"ROC\u66f2\u7dda\u4e0b\u306e\u9762\u7a4d - \u4e95\u51fa\u8349\u5e73\u306e\u7814\u7a76\u30ce\u30fc\u30c8\" 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://ides.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/iDES/","blog_title":"\u4e95\u51fa\u8349\u5e73\u306e\u7814\u7a76\u30ce\u30fc\u30c8","version":"1.0","provider_url":"https://hatena.blog"}