{"id":1119,"date":"2024-07-14T08:54:58","date_gmt":"2024-07-14T08:54:58","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=1119"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ed%94%84%eb%a1%9c%eb%b9%97-%eb%aa%a8%ed%98%95probit","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=1119","title":{"rendered":"\ud504\ub85c\ube57 \ubaa8\ud615(Probit Model)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubaa8\ud615 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc740 \ub3c5\ub9bd \ubcc0\uc218\uc640 \uc885\uc18d \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \ud504\ub85c\ube57 \ud68c\uadc0 \ubaa8\ub378\uc758 \uc8fc\uc694 \uc694\uc18c\uc640 \uacb0\uacfc \ud574\uc11d \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud504\ub85c\ube57 \ud68c\uadc0 \ubaa8\ub378<\/strong>: \ub3c5\ub9bd \ubcc0\uc218 \uac12\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc885\uc18d \ubcc0\uc218\uac00 1\uc77c \ud655\ub960\uc774 \uc99d\uac00\ud558\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ud504\ub85c\ube57 \ud568\uc218\ub294 S-\ubaa8\uc591\uc758 \uace1\uc120\uc744 \ud615\uc131\ud558\uba70, \uc774\ub294 \ud655\ub960\uc774 0\uc5d0\uc11c 1\ub85c \uc810\uc9c4\uc801\uc73c\ub85c \ubcc0\ud654\ud568\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub3c5\ub9bd \ubcc0\uc218\uc758 \uc601\ud5a5<\/strong>: \uc608\uc2dc\uc5d0\uc11c\ub294 \ub3c5\ub9bd \ubcc0\uc218 \uac12\uc774 5\ub97c \uae30\uc900\uc73c\ub85c \uc885\uc18d \ubcc0\uc218\uac00 0\uc5d0\uc11c 1\ub85c \ubcc0\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub3c5\ub9bd \ubcc0\uc218 \uac12\uc774 5 \uc774\uc0c1\uc77c \ub54c \uc885\uc18d \ubcc0\uc218\uac00 1\uc77c \ud655\ub960\uc774 \ub192\uc544\uc9d0\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ud68c\uadc0\ub294 \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\uc9c4 \uc885\uc18d \ubcc0\uc218\uc5d0 \ub300\ud55c \uc608\uce21\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub294 \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ud2b9\uc815 \uc0c1\ud669\uc5d0\uc11c \ub354 \uc801\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubaa8\ud615\uc744 \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub294 \uc8fc\ub85c \uc774\uc9c4 \uc885\uc18d \ubcc0\uc218\ub97c \uc608\uce21\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ud2b9\uc815 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0\uc790 \ud568\uc785\ub2c8\ub2e4. \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud669\uc5d0\uc11c \ub354 \uc801\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EB%88%84%EC%A0%81_%EC%A0%95%EA%B7%9C_%EB%B6%84%ED%8F%AC_%ED%95%A8%EC%88%98_%EC%82%AC%EC%9A%A9\"><\/span>1. \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218 \uc0ac\uc6a9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ucc28\uc774\uc810<\/strong>: \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\ub294 \ub85c\uc9c0\uc2a4\ud2f1 \ud568\uc218(\uc2dc\uadf8\ubaa8\uc774\ub4dc \ud568\uc218)\ub97c \uc0ac\uc6a9\ud558\uace0, \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218(CDF)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud2b9\uc9d5<\/strong>: \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\ub294 \uc815\uaddc \ubd84\ud3ec\uc758 \ud2b9\uc131\uc744 \ubc18\uc601\ud558\uc5ec, \uc911\uc559\uc5d0\uc11c \ub354 \uac00\ud30c\ub974\uace0 \uc591\ucabd \ub05d\uc5d0\uc11c \ub354 \ud3c9\ud0c4\ud55c \ud615\ud0dc\ub97c \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%EC%9E%94%EC%B0%A8%EC%9D%98_%EB%B6%84%ED%8F%AC\"><\/span>2. \uc794\ucc28\uc758 \ubd84\ud3ec<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc794\ucc28 \ubd84\ud3ec<\/strong>: \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc758 \uc794\ucc28\ub294 \ub85c\uc9c0\uc2a4\ud2f1 \ubd84\ud3ec\ub97c \ub530\ub974\uba70, \ud504\ub85c\ube57 \ubaa8\ud615\uc758 \uc794\ucc28\ub294 \ud45c\uc900 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc794\ucc28 \ubd84\uc11d<\/strong>: \ud45c\uc900 \uc815\uaddc \ubd84\ud3ec\uc758 \uc794\ucc28 \ud2b9\uc131\uc774 \ub354 \uc798 \ub9de\ub294 \uacbd\uc6b0 \ud504\ub85c\ube57 \ubaa8\ud615\uc774 \ub354 \uc801\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%ED%95%B4%EC%84%9D%EC%9D%98_%EC%9D%BC%EA%B4%80%EC%84%B1\"><\/span>3. \ud574\uc11d\uc758 \uc77c\uad00\uc131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud1b5\uacc4\uc801 \ud2b9\uc131<\/strong>: \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \uacbd\uc81c\ud559 \ubc0f \uc0ac\ud68c\uacfc\ud559\uc5d0\uc11c \ub354 \uc624\ub79c \uae30\uac04 \ub3d9\uc548 \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc73c\uba70, \uc774 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc804\ud1b5\uc801\uc73c\ub85c \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uacbd\uc81c\ud559\uc801 \ud574\uc11d<\/strong>: \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \uacbd\uc81c\ud559\uc801 \uc790\ub8cc\ub098 \ud589\ub3d9 \uacfc\ud559 \ub370\uc774\ud130\uc5d0\uc11c \ub354 \uc801\ud569\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%EC%84%A0%ED%83%9D%EC%9D%98_%EB%AC%B8%EC%A0%9C\"><\/span>4. \uc120\ud0dd\uc758 \ubb38\uc81c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud504\ub85c\ube57 vs \ub85c\uc9c0\uc2a4\ud2f1<\/strong>: \ub458 \ub2e4 \ube44\uc2b7\ud55c \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \ub370\uc774\ud130 \ud2b9\uc131\uc774\ub098 \uc5f0\uad6c\uc790\uc758 \uc120\ud638\ub3c4\uc5d0 \ub530\ub77c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubaa8\ub378\uc758 \uc801\ud569\uc131<\/strong>: \ud2b9\uc815 \ub370\uc774\ud130 \uc14b\uc5d0\uc11c \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\uac00 \ub354 \uc801\ud569\ud558\uac8c \ubcf4\uc774\ub294 \uacbd\uc6b0 \ud504\ub85c\ube57 \ubaa8\ud615\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C_%EA%B2%BD%EC%A0%9C%ED%95%99_%EB%B0%8F_%EC%82%AC%ED%9A%8C%EA%B3%BC%ED%95%99%EC%97%90%EC%84%9C%EC%9D%98_%EC%82%AC%EC%9A%A9\"><\/span>\uc608\uc2dc: \uacbd\uc81c\ud559 \ubc0f \uc0ac\ud68c\uacfc\ud559\uc5d0\uc11c\uc758 \uc0ac\uc6a9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\uc81c\ud559 \ubc0f \uc0ac\ud68c\uacfc\ud559\uc5d0\uc11c \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \uac1c\uc778\uc758 \uc120\ud0dd \ud589\ub3d9\uc774\ub098 \uc758\uc0ac \uacb0\uc815\uc744 \ubaa8\ub378\ub9c1\ud558\ub294 \ub370 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud669\uc5d0\uc11c \ud504\ub85c\ube57 \ubaa8\ud615\uc774 \uc720\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc18c\ube44\uc790\uc758 \uad6c\ub9e4 \uacb0\uc815<\/strong>: \ud2b9\uc815 \uc81c\ud488\uc744 \uad6c\ub9e4\ud560 \ud655\ub960<\/li>\n\n\n\n<li><strong>\ud22c\ud45c \ud589\ub3d9<\/strong>: \ud2b9\uc815 \ud6c4\ubcf4\ub97c \uc9c0\uc9c0\ud560 \ud655\ub960<\/li>\n\n\n\n<li><strong>\ucc44\ubb34 \ubd88\uc774\ud589<\/strong>: \uac1c\uc778\uc774 \ucc44\ubb34 \ubd88\uc774\ud589\uc744 \ud560 \ud655\ub960<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EB%A1%A0\"><\/span>\uacb0\ub860<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubaa8\ud615\uc744 \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub294 \uc774\uc9c4 \uc885\uc18d \ubcc0\uc218\ub97c \uc608\uce21\ud560 \ub54c \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc801\ud569\ud55c \uacbd\uc6b0\uac00 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uacfc \uc794\ucc28\uc758 \ubd84\ud3ec\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc73c\uba70, \uacbd\uc81c\ud559 \ubc0f \uc0ac\ud68c\uacfc\ud559\uc5d0\uc11c\ub294 \ud504\ub85c\ube57 \ubaa8\ud615\uc774 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5f0\uad6c\uc790\ub294 \ub370\uc774\ud130\uc758 \ud2b9\uc131, \uc5f0\uad6c \ubaa9\uc801, \uadf8\ub9ac\uace0 \ud1b5\uacc4\uc801 \uc801\ud569\uc131\uc744 \uace0\ub824\ud558\uc5ec \ud504\ub85c\ube57 \ubaa8\ud615\uacfc \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0 \uc911 \uc801\ud569\ud55c \ubc29\ubc95\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"5\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-1024x5.jpg\" alt=\"\" class=\"wp-image-1137\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-14-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\\(\\)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_%EC%97%90%EC%84%9C_%ED%94%84%EB%A1%9C%EB%B9%97_%EB%AA%A8%ED%98%95\"><\/span>Python \uc5d0\uc11c \ud504\ub85c\ube57 \ubaa8\ud615<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubaa8\ub378\uc744 Python\uc5d0\uc11c \uad6c\ud604\ud558\uace0 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \ud504\ub85c\ube57 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud55c \ubd84\uc11d \uc608\uc2dc\ub97c \uc704\ud55c Python \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%A4%80%EB%B9%84_%EB%B0%8F_%EC%A0%84%EC%B2%98%EB%A6%AC\"><\/span>1. \ub370\uc774\ud130 \uc900\ube44 \ubc0f \uc804\ucc98\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800, \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\uace0 \uc804\ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud558\uace0, \ub3c5\ub9bd \ubcc0\uc218\ub97c \ud45c\uc900\ud654\ud558\uba70, \ud559\uc2b5 \ub370\uc774\ud130\uc640 \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130\ub85c \ubd84\ud560\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nimport pandas as pd\nfrom sklearn.preprocessing import StandardScaler\nfrom sklearn.model_selection import train_test_split\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\nnp.random.seed(0)\nX = np.random.rand(100, 2) * 10  # \ub450 \uac1c\uc758 \ub3c5\ub9bd \ubcc0\uc218 (0\uc5d0\uc11c 10 \uc0ac\uc774\uc758 \uac12)\ny = (X&#091;:, 0] + X&#091;:, 1] &gt; 10).astype(int)  # \uc885\uc18d \ubcc0\uc218 (0 \ub610\ub294 1)\n\n# \ub370\uc774\ud130 \ud45c\uc900\ud654\nscaler = StandardScaler()\nX = scaler.fit_transform(X)\n\n# \ud559\uc2b5 \ub370\uc774\ud130\uc640 \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \ubd84\ud560\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=0)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%ED%94%84%EB%A1%9C%EB%B9%97_%EB%AA%A8%EB%8D%B8_%EC%A0%95%EC%9D%98_%EB%B0%8F_%ED%95%99%EC%8A%B5\"><\/span>2. \ud504\ub85c\ube57 \ubaa8\ub378 \uc815\uc758 \ubc0f \ud559\uc2b5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python\uc758 <code>statsmodels<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud504\ub85c\ube57 \ubaa8\ub378\uc744 \uc815\uc758\ud558\uace0 \ud559\uc2b5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import statsmodels.api as sm\n\n# \ud504\ub85c\ube57 \ubaa8\ub378 \uc815\uc758\nprobit_model = sm.Probit(y_train, sm.add_constant(X_train))\n\n# \ubaa8\ub378 \ud559\uc2b5\nprobit_result = probit_model.fit()\nprint(probit_result.summary())<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%EB%AA%A8%EB%8D%B8_%ED%8F%89%EA%B0%80\"><\/span>3. \ubaa8\ub378 \ud3c9\uac00<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub378\uc744 \ud3c9\uac00\ud558\uace0 \uc608\uce21\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \ud63c\ub3d9 \ud589\ub82c\uacfc \ubd84\ub958 \ub9ac\ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.metrics import confusion_matrix, classification_report\n\n# \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc608\uce21\ny_pred = probit_result.predict(sm.add_constant(X_test)) &gt; 0.5\n\n# \ud63c\ub3d9 \ud589\ub82c \uacc4\uc0b0\ncm = confusion_matrix(y_test, y_pred)\nprint(\"Confusion Matrix:\\n\", cm)\n\n# \ubd84\ub958 \ub9ac\ud3ec\ud2b8 \uc0dd\uc131\nreport = classification_report(y_test, y_pred)\nprint(\"Classification Report:\\n\", report)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_ROC_%EA%B3%A1%EC%84%A0%EA%B3%BC_AUC\"><\/span>4. ROC \uace1\uc120\uacfc AUC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ROC \uace1\uc120\uacfc AUC\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.metrics import roc_curve, roc_auc_score\nimport matplotlib.pyplot as plt\n\n# \uc608\uce21 \ud655\ub960 \uacc4\uc0b0\ny_prob = probit_result.predict(sm.add_constant(X_test))\n\n# ROC \uace1\uc120 \uacc4\uc0b0\nfpr, tpr, _ = roc_curve(y_test, y_prob)\nauc = roc_auc_score(y_test, y_prob)\n\n# ROC \uace1\uc120 \uadf8\ub9ac\uae30\nplt.figure(figsize=(10, 6))\nplt.plot(fpr, tpr, label=f'ROC curve (AUC = {auc:.2f})')\nplt.plot(&#091;0, 1], &#091;0, 1], linestyle='--')\nplt.xlabel('False Positive Rate')\nplt.ylabel('True Positive Rate')\nplt.title('Receiver Operating Characteristic (ROC) Curve')\nplt.legend(loc=\"lower right\")\nplt.grid(True)\nplt.show()<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%BD%94%EB%93%9C_%EC%84%A4%EB%AA%85\"><\/span>\ucf54\ub4dc \uc124\uba85<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub370\uc774\ud130 \uc900\ube44 \ubc0f \uc804\ucc98\ub9ac<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>np.random.rand(100, 2) * 10<\/code>: 0\uacfc 10 \uc0ac\uc774\uc758 \uac12\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 100\uac1c\uc758 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>y = (X[:, 0] + X[:, 1] > 10).astype(int)<\/code>: \ub3c5\ub9bd \ubcc0\uc218\uc758 \ud569\uc774 10\uc744 \ucd08\uacfc\ud558\uba74 1, \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 0\uc73c\ub85c \uc124\uc815\ud55c \uc885\uc18d \ubcc0\uc218\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>StandardScaler()<\/code>: \ub370\uc774\ud130\ub97c \ud45c\uc900\ud654\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>train_test_split()<\/code>: \ub370\uc774\ud130\ub97c \ud559\uc2b5\uc6a9\uacfc \ud14c\uc2a4\ud2b8\uc6a9\uc73c\ub85c \ubd84\ud560\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud504\ub85c\ube57 \ubaa8\ub378 \uc815\uc758 \ubc0f \ud559\uc2b5<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>sm.Probit(y_train, sm.add_constant(X_train))<\/code>: <code>statsmodels<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud504\ub85c\ube57 \ubaa8\ub378\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>fit()<\/code>: \ubaa8\ub378\uc744 \ud559\uc2b5\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>summary()<\/code>: \ubaa8\ub378\uc758 \uc694\uc57d \uacb0\uacfc\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ub378 \ud3c9\uac00<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>predict()<\/code>: \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc608\uce21\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>confusion_matrix()<\/code>: \ud63c\ub3d9 \ud589\ub82c\uc744 \uacc4\uc0b0\ud558\uc5ec \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>classification_report()<\/code>: \uc815\ubc00\ub3c4, \uc7ac\ud604\uc728, F1 \uc810\uc218 \ub4f1\uc744 \ud3ec\ud568\ud55c \ubd84\ub958 \ub9ac\ud3ec\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ROC \uace1\uc120\uacfc AUC<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>predict()<\/code>: \uc608\uce21 \ud655\ub960\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>roc_curve()<\/code>, <code>roc_auc_score()<\/code>: ROC \uace1\uc120\uacfc AUC\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>plt.plot()<\/code>: ROC \uace1\uc120\uc744 \uadf8\ub824 \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ucf54\ub4dc\ub97c \ud1b5\ud574 \ud504\ub85c\ube57 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\uc9c4 \ubd84\ub958 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0, \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\ub294 \ubc29\ubc95\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"5\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-1024x5.jpg\" alt=\"\" class=\"wp-image-1134\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-13-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubd84\uc11d\uc740 \uc774\uc9c4 \uc885\uc18d \ubcc0\uc218\uc758 \uacb0\uacfc\ub97c \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ud1b5\uacc4\uc801 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud504\ub85c\ube57 \ubaa8\ub378\uc740 \ub3c5\ub9bd \ubcc0\uc218\uc640 \uc885\uc18d \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1\ud558\uace0, \ud2b9\uc815 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \ud655\ub960\uc744 \uc608\uce21\ud569\ub2c8\ub2e4. \uc774 \ubd84\uc11d \ubc29\ubc95\uc740 \ud2b9\ud788 \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ub204\uc801 \uc815\uaddc \ubd84\ud3ec \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud655\ub960\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc544\ub798\uc5d0 \ud504\ub85c\ube57 \ubd84\uc11d \ubc29\ubc95\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%94%84%EB%A1%9C%EB%B9%97_%EB%B6%84%EC%84%9D_%EB%8B%A8%EA%B3%84\"><\/span>\ud504\ub85c\ube57 \ubd84\uc11d \ub2e8\uacc4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub370\uc774\ud130 \uc900\ube44<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub370\uc774\ud130 \uc218\uc9d1<\/strong>: \uc885\uc18d \ubcc0\uc218\uc640 \ub3c5\ub9bd \ubcc0\uc218\ub97c \ud3ec\ud568\ud558\ub294 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc885\uc18d \ubcc0\uc218<\/strong>: \uc774\uc9c4 \ubcc0\uc218(\uc608: 0 \ub610\ub294 1, \uc131\uacf5 \ub610\ub294 \uc2e4\ud328).<\/li>\n\n\n\n<li><strong>\ub3c5\ub9bd \ubcc0\uc218<\/strong>: \uc5f0\uc18d\ud615 \ub610\ub294 \ubc94\uc8fc\ud615 \ubcc0\uc218.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub370\uc774\ud130 \uc804\ucc98\ub9ac<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacb0\uce21\uac12 \ucc98\ub9ac<\/strong>: \uacb0\uce21\uac12\uc744 \uc801\uc808\ud788 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubc94\uc8fc\ud615 \ubcc0\uc218 \uc778\ucf54\ub529<\/strong>: \ubc94\uc8fc\ud615 \ubcc0\uc218\ub97c \uc22b\uc790\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4(\uc608: \uc6d0-\ud56b \uc778\ucf54\ub529).<\/li>\n\n\n\n<li><strong>\ud45c\uc900\ud654<\/strong>: \ud544\uc694\uc5d0 \ub530\ub77c \ub3c5\ub9bd \ubcc0\uc218\ub97c \ud45c\uc900\ud654\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud504\ub85c\ube57 \ubaa8\ub378 \uc801\ud569<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ubaa8\ub378 \uc120\ud0dd<\/strong>: \ud504\ub85c\ube57 \ud68c\uadc0 \ubaa8\ub378\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc801\ud569 (Fitting)<\/strong>: \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc744 \ud559\uc2b5\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ub378 \ud3c9\uac00<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacc4\uc218 \ucd94\uc815<\/strong>: \ubaa8\ub378\uc758 \uacc4\uc218\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubaa8\ud615 \uc801\ud569\ub3c4 \uac80\uc815<\/strong>: \ubaa8\ud615\uc758 \uc801\ud569\ub3c4\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc608\uce21 \uc131\ub2a5 \ud3c9\uac00<\/strong>: \ud63c\ub3d9 \ud589\ub82c, ROC \uace1\uc120, AUC \ub4f1\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378 \uc131\ub2a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacb0\uacfc \ud574\uc11d<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacc4\uc218 \ud574\uc11d<\/strong>: \uac01 \ub3c5\ub9bd \ubcc0\uc218\uc758 \uacc4\uc218\uac00 \uc885\uc18d \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud574\uc11d\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud655\ub960 \uacc4\uc0b0<\/strong>: \ud2b9\uc815 \ub3c5\ub9bd \ubcc0\uc218 \uac12\uc5d0\uc11c \uc885\uc18d \ubcc0\uc218\uc758 \ubc1c\uc0dd \ud655\ub960\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%94%84%EB%A1%9C%EB%B9%97_%EB%AA%A8%EB%8D%B8%EC%9D%98_%EC%88%98%ED%95%99%EC%A0%81_%ED%91%9C%ED%98%84\"><\/span>\ud504\ub85c\ube57 \ubaa8\ub378\uc758 \uc218\ud559\uc801 \ud45c\ud604<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubaa8\ub378\uc740 \uc7a0\uc7ac \ubcc0\uc218 \\( y^* \\)\ub97c \uac00\uc815\ud569\ub2c8\ub2e4:<br>\\[ y^* = \\beta_0 + \\beta_1 X_1 + \\beta_2 X_2 + \\cdots + \\beta_k X_k + \\epsilon \\]<br>\uc5ec\uae30\uc11c \\( \\epsilon \\)\uc740 \ud45c\uc900 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub974\ub294 \uc624\ucc28 \ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ucc30\ub41c \uc774\uc9c4 \uc885\uc18d \ubcc0\uc218 \\( y \\)\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<br>\\[ y = \\begin{cases}<br>1 &amp; \\text{if } y^* > 0 \\<br>0 &amp; \\text{if } y^* \\leq 0<br>\\end{cases} \\]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%94%84%EB%A1%9C%EB%B9%97_%EB%B6%84%EC%84%9D%EC%9D%98_%EC%98%88%EC%8B%9C_Python\"><\/span>\ud504\ub85c\ube57 \ubd84\uc11d\uc758 \uc608\uc2dc (Python)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 Python\uc744 \uc0ac\uc6a9\ud55c \ud504\ub85c\ube57 \ubd84\uc11d\uc758 \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \ub370\uc774\ud130 \uc900\ube44 \ubc0f \uc804\ucc98\ub9ac<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nimport pandas as pd\nfrom sklearn.preprocessing import StandardScaler\nfrom sklearn.model_selection import train_test_split\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\nnp.random.seed(0)\nX = np.random.rand(100, 2)  # \ub450 \uac1c\uc758 \ub3c5\ub9bd \ubcc0\uc218\ny = (X&#091;:, 0] + X&#091;:, 1] &gt; 1).astype(int)  # \uc885\uc18d \ubcc0\uc218 (0 \ub610\ub294 1)\n\n# \ub370\uc774\ud130 \ud45c\uc900\ud654\nscaler = StandardScaler()\nX = scaler.fit_transform(X)\n\n# \ud559\uc2b5 \ub370\uc774\ud130\uc640 \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \ubd84\ud560\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=0)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \ud504\ub85c\ube57 \ubaa8\ub378 \uc801\ud569<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.linear_model import LogisticRegression\n\n# \ud504\ub85c\ube57 \ud68c\uadc0 \ubaa8\ub378 \uc0dd\uc131\nprobit_model = LogisticRegression(solver='lbfgs')\n\n# \ubaa8\ub378 \ud559\uc2b5\nprobit_model.fit(X_train, y_train)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3. \ubaa8\ub378 \ud3c9\uac00 \ubc0f \uacb0\uacfc \ud574\uc11d<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.metrics import confusion_matrix, classification_report, roc_curve, roc_auc_score\nimport matplotlib.pyplot as plt\n\n# \uc608\uce21\ny_pred = probit_model.predict(X_test)\ny_prob = probit_model.predict_proba(X_test)&#091;:, 1]\n\n# \ud63c\ub3d9 \ud589\ub82c\ncm = confusion_matrix(y_test, y_pred)\nprint(\"Confusion Matrix:\\n\", cm)\n\n# \ubd84\ub958 \ub9ac\ud3ec\ud2b8\nreport = classification_report(y_test, y_pred)\nprint(\"Classification Report:\\n\", report)\n\n# ROC \uace1\uc120\uacfc AUC\nfpr, tpr, _ = roc_curve(y_test, y_prob)\nauc = roc_auc_score(y_test, y_prob)\n\nplt.figure(figsize=(10, 6))\nplt.plot(fpr, tpr, label=f'ROC curve (AUC = {auc:.2f})')\nplt.plot(&#091;0, 1], &#091;0, 1], linestyle='--')\nplt.xlabel('False Positive Rate')\nplt.ylabel('True Positive Rate')\nplt.title('Receiver Operating Characteristic (ROC) Curve')\nplt.legend(loc=\"lower right\")\nplt.grid(True)\nplt.show()<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4. \uacb0\uacfc \ud574\uc11d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud63c\ub3d9 \ud589\ub82c<\/strong>: \ubaa8\ub378\uc758 \uc608\uce21 \uc131\ub2a5\uc744 \uc2e4\uc81c \uac12\uacfc \ube44\uad50\ud558\uc5ec \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubd84\ub958 \ub9ac\ud3ec\ud2b8<\/strong>: \uc815\ud655\ub3c4, \uc815\ubc00\ub3c4, \uc7ac\ud604\uc728, F1 \uc810\uc218\ub97c \ud3ec\ud568\ud55c \ud3c9\uac00 \uc9c0\ud45c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>ROC \uace1\uc120\uacfc AUC<\/strong>: \ubaa8\ub378\uc758 \ubd84\ub958 \uc131\ub2a5\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ud3c9\uac00\ud558\uace0, AUC \uac12\uc73c\ub85c \uc131\ub2a5\uc744 \uc815\ub7c9\ud654\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ube57 \ubd84\uc11d\uc740 \uc774\uc640 \uac19\uc774 \ub370\uc774\ud130 \uc900\ube44, \ubaa8\ub378 \uc801\ud569, \ud3c9\uac00 \ubc0f \ud574\uc11d\uc758 \ub2e8\uacc4\ub97c \uac70\uccd0 \uc218\ud589\ub429\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uc885\uc18d \ubcc0\uc218\uac00 \uc774\uc9c4\uc778 \uacbd\uc6b0\uc5d0 \ub9e4\uc6b0 \uc720\uc6a9\ud558\uba70, \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\uc640 \ud568\uaed8 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"5\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-1024x5.jpg\" alt=\"\" class=\"wp-image-1132\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-12-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%94%84%EB%A1%9C%EB%B9%97_%EB%AA%A8%ED%98%95_%ED%95%B4%EC%84%9D\"><\/span>\ud504\ub85c\ube57 \ubaa8\ud615 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EA%B3%84%EC%88%98%CE%B2\"><\/span>1. \uacc4\uc218(\u03b2)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud574\uc11d<\/strong>: \ud504\ub85c\ube57 \ubaa8\ud615\uc5d0\uc11c \uacc4\uc218\ub294 \ub3c5\ub9bd \ubcc0\uc218\uc758 \ub2e8\uc704 \ubcc0\ud654\uac00 \uc7a0\uc7ac \ubcc0\uc218\uc758 z-\uac12\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc7a0\uc7ac \ubcc0\uc218\ub294 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub974\uba70, \uc2e4\uc81c \uad00\ucc30\ub41c \uc885\uc18d \ubcc0\uc218\ub294 \uc774 \uc7a0\uc7ac \ubcc0\uc218\uac00 \uc77c\uc815\ud55c \uc784\uacc4\uac12\uc744 \ucd08\uacfc\ud558\ub294\uc9c0 \uc5ec\ubd80\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc7a0\uc7ac \ubcc0\uc218 \ubaa8\ub378<\/strong>: \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc7a0\uc7ac \ubcc0\uc218 \ubaa8\ub378\uc744 \uac00\uc815\ud569\ub2c8\ub2e4.<br>\\[ y^* = \\beta_0 + \\beta_1 X_1 + \\beta_2 X_2 + \\cdots + \\beta_k X_k + \\epsilon \\]<br>\\[ y = \\begin{cases}<br>1 &amp; \\text{if } y^* > 0 \\<br>0 &amp; \\text{if } y^* \\leq 0<br>\\end{cases} \\]<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%ED%95%9C%EA%B3%84_%ED%9A%A8%EA%B3%BC_Marginal_Effects\"><\/span>2. \ud55c\uacc4 \ud6a8\uacfc (Marginal Effects)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud574\uc11d<\/strong>: \ud55c\uacc4 \ud6a8\uacfc\ub294 \ub3c5\ub9bd \ubcc0\uc218\uc758 \ub2e8\uc704 \ubcc0\ud654\uac00 \uc885\uc18d \ubcc0\uc218\uc758 \ud655\ub960\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ud504\ub85c\ube57 \ubaa8\ud615\uc740 \ube44\uc120\ud615\uc774\ubbc0\ub85c \ud55c\uacc4 \ud6a8\uacfc\ub294 \ub3c5\ub9bd \ubcc0\uc218\uc758 \uac12\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uacc4\uc0b0 \ubc29\ubc95<\/strong>: ( X_i )\uc758 \ud55c\uacc4 \ud6a8\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud655\ub960 \ud568\uc218\uc758 \ubbf8\ubd84\uc73c\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<br>\\[ \\frac{\\partial P(y=1)}{\\partial X_i} = \\phi(\\beta_0 + \\beta_1 X_1 + \\cdots + \\beta_i X_i + \\cdots + \\beta_k X_k) \\cdot \\beta_i \\]<br>\uc5ec\uae30\uc11c \\( \\phi \\)\ub294 \ud45c\uc900 \uc815\uaddc \ubd84\ud3ec\uc758 \ubc00\ub3c4 \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%EB%AA%A8%ED%98%95_%EA%B2%B0%EA%B3%BC%EC%9D%98_%ED%95%B4%EC%84%9D\"><\/span>3. \ubaa8\ud615 \uacb0\uacfc\uc758 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacc4\uc218<\/strong>: \uc591\uc758 \uacc4\uc218\ub294 \ub3c5\ub9bd \ubcc0\uc218\uac00 \uc99d\uac00\ud560\uc218\ub85d \uc885\uc18d \ubcc0\uc218\uac00 1\uc774 \ub420 \ud655\ub960\uc774 \uc99d\uac00\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ubc18\ub300\ub85c \uc74c\uc758 \uacc4\uc218\ub294 \uadf8 \ud655\ub960\uc774 \uac10\uc18c\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud45c\uc900 \uc624\ucc28 \ubc0f p-\uac12<\/strong>: \uc774 \uac12\ub4e4\uc740 \uacc4\uc218\uc758 \ud1b5\uacc4\uc801 \uc720\uc758\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c p-\uac12\uc774 0.05 \ubbf8\ub9cc\uc774\uba74 \uacc4\uc218\uac00 \uc720\uc758\ud558\ub2e4\uace0 \ubd05\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc758\uc0ac R-\uc81c\uacf1 (Pseudo R-squared)<\/strong>: \ubaa8\ud615\uc758 \uc124\uba85\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\ub85c, \uac12\uc774 \ud074\uc218\ub85d \ub3c5\ub9bd \ubcc0\uc218\uac00 \uc885\uc18d \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc744 \uc798 \uc124\uba85\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C_%EC%B6%9C%EB%A0%A5_%ED%95%B4%EC%84%9D\"><\/span>\uc608\uc2dc \ucd9c\ub825 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 \uac00\uc0c1\uc758 \ud504\ub85c\ube57 \ud68c\uadc0 \uacb0\uacfc\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc885\uc18d \ubcc0\uc218: \uad6c\ub9e4 \uc5ec\ubd80 (0 \ub610\ub294 1)\n\n\ubcc0\uc218     \uacc4\uc218    \ud45c\uc900 \uc624\ucc28    z     P&gt;|z|    &#091;95% \uc2e0\ub8b0 \uad6c\uac04]\n-------------------------------------------------------\n\uc808\ud3b8    -1.25    0.30     -4.17   0.000   &#091;-1.84, -0.66]\n\uc18c\ub4dd     0.02    0.01      2.00   0.045    &#091;0.00, 0.04]\n\ub098\uc774     0.03    0.01      3.00   0.003    &#091;0.01, 0.05]\n\uc131\ubcc4    -0.40    0.20     -2.00   0.046   &#091;-0.80, -0.01]\n-------------------------------------------------------\nPseudo R-squared = 0.15<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%95%B4%EC%84%9D\"><\/span>\ud574\uc11d:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc808\ud3b8<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacc4\uc218: -1.25<\/li>\n\n\n\n<li>\ud574\uc11d: \ub3c5\ub9bd \ubcc0\uc218\uac00 0\uc77c \ub54c \uc7a0\uc7ac \ubcc0\uc218\uc758 z-\uac12\uc774 -1.25\uc784\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc720\uc758\uc131: \ub9e4\uc6b0 \uc720\uc758\ud568(p &lt; 0.05).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc18c\ub4dd<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacc4\uc218: 0.02<\/li>\n\n\n\n<li>\ud574\uc11d: \uc18c\ub4dd\uc774 \ud55c \ub2e8\uc704 \uc99d\uac00\ud560 \ub54c z-\uac12\uc774 0.02 \uc99d\uac00\ud558\uba70, \uc774\ub294 \uad6c\ub9e4 \ud655\ub960\uc774 \uc99d\uac00\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc720\uc758\uc131: \uc720\uc758\ud568(p &lt; 0.05).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub098\uc774<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacc4\uc218: 0.03<\/li>\n\n\n\n<li>\ud574\uc11d: \ub098\uc774\uac00 \ud55c \uc0b4 \uc99d\uac00\ud560 \ub54c z-\uac12\uc774 0.03 \uc99d\uac00\ud558\uba70, \uc774\ub294 \uad6c\ub9e4 \ud655\ub960\uc774 \uc99d\uac00\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc720\uc758\uc131: \ub9e4\uc6b0 \uc720\uc758\ud568(p &lt; 0.05).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc131\ubcc4<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacc4\uc218: -0.40<\/li>\n\n\n\n<li>\ud574\uc11d: \uae30\uc900 \uc131\ubcc4(\uc77c\ubc18\uc801\uc73c\ub85c \uc5ec\uc131)\uc774 \ub0a8\uc131\ubcf4\ub2e4 z-\uac12\uc774 0.40 \ub0ae\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc720\uc758\uc131: \uc720\uc758\ud568(p &lt; 0.05).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pseudo R-squared<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac12: 0.15<\/li>\n\n\n\n<li>\ud574\uc11d: \ubaa8\ud615\uc774 \uc885\uc18d \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc131\uc758 15%\ub97c \uc124\uba85\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%99%95%EB%A5%A0_%EA%B3%84%EC%82%B0\"><\/span>\ud655\ub960 \uacc4\uc0b0:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\uc815 \uac12\uc5d0\uc11c\uc758 \uc0ac\uac74 \ubc1c\uc0dd \ud655\ub960(\uc608: \uad6c\ub9e4 \ud655\ub960)\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \ud504\ub85c\ube57 \ub9c1\ud06c \ud568\uc218\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<br>\\[ P(y=1) = \\Phi(\\beta_0 + \\beta_1 X_1 + \\beta_2 X_2 + \\cdots + \\beta_k X_k) \\]<br>\uc5ec\uae30\uc11c \\( \\Phi \\)\ub294 \ud45c\uc900 \uc815\uaddc \ubd84\ud3ec\uc758 \ub204\uc801 \ubd84\ud3ec \ud568\uc218\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4, \uc18c\ub4dd = 50, \ub098\uc774 = 30, \uc131\ubcc4 = 1\uc778 \uacbd\uc6b0:<br>\\[ z = -1.25 + 0.02 \\cdot 50 + 0.03 \\cdot 30 &#8211; 0.4 \\cdot 1 \\]<br>\\[ z = -1.25 + 1 + 0.9 &#8211; 0.4 = 0.25 \\]<br>\\[ P(y=1) = \\Phi(0.25) \\approx 0.60 \\]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c, \uad6c\ub9e4 \ud655\ub960\uc740 \uc57d 60%\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud504\ub85c\ube57 \ubaa8\ud615 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc740 \ub3c5\ub9bd \ubcc0\uc218\uc640 \uc885\uc18d \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \ud504\ub85c\ube57 \ud68c\uadc0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1139,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","wpcat-6-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1119"}],"version-history":[{"count":4,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1119\/revisions"}],"predecessor-version":[{"id":1138,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1119\/revisions\/1138"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1139"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1119"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}