{"id":1781,"date":"2025-01-27T13:20:28","date_gmt":"2025-01-27T13:20:28","guid":{"rendered":"http:\/\/www.statdc.com\/?p=1781"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"a-i-%ed%9a%8c%ea%b7%80%eb%aa%a8%ed%98%95-%ea%b8%b0%eb%b2%95","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=1781","title":{"rendered":"A.I \ud68c\uadc0\ubaa8\ud615 \uae30\ubc95"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ud68c\uadc0\ubaa8\ud615(Regression Model)\uc740 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \uc5f0\uc18d\uc801\uc778 \uac12\uc744 \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc778\uacf5\uc9c0\ub2a5 \ubc0f \ud1b5\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud68c\uadc0\ubaa8\ud615\uc740 \ud2b9\uc815 \ub3c5\ub9bd\ubcc0\uc218(\uc785\ub825)\uc640 \uc885\uc18d\ubcc0\uc218(\ucd9c\ub825) \uac04\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ud68c\uadc0\ubaa8\ud615\uacfc \uad00\ub828\ub41c \uc8fc\uc694 \ub0b4\uc6a9\uacfc \uc885\ub958\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\\(\\)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%ED%9A%8C%EA%B7%80%EB%AA%A8%ED%98%95%EC%9D%98_%EA%B0%9C%EC%9A%94\"><\/span><strong>1. \ud68c\uadc0\ubaa8\ud615\uc758 \uac1c\uc694<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ubaa9\uc801:<\/strong> \uc5f0\uc18d\uc801\uc778 \ubaa9\ud45c \ubcc0\uc218\ub97c \uc608\uce21\ud558\uac70\ub098 \ub370\uc774\ud130 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\ub294 \uac83.<\/li>\n\n\n\n<li><strong>\uc608:<\/strong> \uc8fc\ud0dd \uac00\uaca9 \uc608\uce21, \uc8fc\uc2dd \uac00\uaca9 \uc608\uce21, \uc628\ub3c4 \ubcc0\ud654 \uc608\uce21 \ub4f1.<\/li>\n\n\n\n<li><strong>\uc785\ub825 \ub370\uc774\ud130:<\/strong> \uc5f0\uc18d\ud615 \ub610\ub294 \ubc94\uc8fc\ud615 \ub370\uc774\ud130(\uc804\ucc98\ub9ac\ub97c \ud1b5\ud574 \uc778\ucf54\ub529\ub41c \uacbd\uc6b0).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%EC%A3%BC%EC%9A%94_%ED%9A%8C%EA%B7%80%EB%AA%A8%ED%98%95\"><\/span><strong>2. \uc8fc\uc694 \ud68c\uadc0\ubaa8\ud615<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\ub2e8\uc21c \ud68c\uadc0(Simple Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub3c5\ub9bd\ubcc0\uc218 1\uac1c\uc640 \uc885\uc18d\ubcc0\uc218 1\uac1c \uac04\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1.<\/li>\n\n\n\n<li>\uc608: \uacf5\ubd80 \uc2dc\uac04(\ub3c5\ub9bd\ubcc0\uc218)\uacfc \uc2dc\ud5d8 \uc810\uc218(\uc885\uc18d\ubcc0\uc218)\uc758 \uad00\uacc4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\ub2e4\uc911 \ud68c\uadc0(Multiple Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc5ec\ub7ec \uac1c\uc758 \ub3c5\ub9bd\ubcc0\uc218\uc640 \uc885\uc18d\ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1.<\/li>\n\n\n\n<li>\uc608: \uc8fc\ud0dd \uac00\uaca9 \uc608\uce21(\ub3c5\ub9bd\ubcc0\uc218: \uba74\uc801, \ubc29 \uac1c\uc218, \uc704\uce58 \ub4f1).<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uc120\ud615 \ud68c\uadc0(Linear Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcc0\uc218 \uac04\uc758 \uc120\ud615 \uad00\uacc4\ub97c \uac00\uc815.<\/li>\n\n\n\n<li>\uc218\uc2dd: y=b0+b1x1+b2x2+\u22ef+bnxn+\u03f5y = b_0 + b_1x_1 + b_2x_2 + \\cdots + b_nx_n + \\epsilon<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\ube44\uc120\ud615 \ud68c\uadc0(Non-linear Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcc0\uc218 \uac04\uc758 \ube44\uc120\ud615 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1.<\/li>\n\n\n\n<li>\uc608: \ub85c\uadf8, \uc9c0\uc218, \ub2e4\ud56d\uc2dd \ud615\ud0dc\uc758 \ud568\uc218\ub85c \ud45c\ud604.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uc815\uaddc\ud654 \ud68c\uadc0(Normalized Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ridge Regression (L2 \uc815\uaddc\ud654):<\/strong> \uacfc\uc801\ud569 \ubc29\uc9c0\ub97c \uc704\ud574 \uac00\uc911\uce58 \uc81c\uacf1\ud569\uc744 \ud398\ub110\ud2f0\ub85c \ucd94\uac00.<\/li>\n\n\n\n<li><strong>Lasso Regression (L1 \uc815\uaddc\ud654):<\/strong> \uacfc\uc801\ud569 \ubc29\uc9c0\ub97c \uc704\ud574 \uac00\uc911\uce58\uc758 \uc808\ub313\uac12 \ud569\uc744 \ud398\ub110\ud2f0\ub85c \ucd94\uac00.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0(Logistic Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud68c\uadc0\ub77c\ub294 \uc774\ub984\uc774 \ubd99\uc5c8\uc9c0\ub9cc \ubd84\ub958 \ubb38\uc81c\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub428.<\/li>\n\n\n\n<li>yy\uac00 \ud2b9\uc815 \ud655\ub960\uac12(0~1)\ub85c \uc81c\ud55c\ub428.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%EA%B3%A0%EA%B8%89_%ED%9A%8C%EA%B7%80%EB%AA%A8%ED%98%95\"><\/span><strong>3. \uace0\uae09 \ud68c\uadc0\ubaa8\ud615<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uc11c\ud3ec\ud2b8 \ubca1\ud130 \ud68c\uadc0(SVR)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc11c\ud3ec\ud2b8 \ubca1\ud130 \uba38\uc2e0(SVM)\uc758 \ud655\uc7a5\uc73c\ub85c, \ud68c\uadc0 \ubb38\uc81c\ub97c \ud574\uacb0.<\/li>\n\n\n\n<li>\ube44\uc120\ud615 \ucee4\ub110\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\uc5d0\ub3c4 \uc801\uc6a9 \uac00\ub2a5.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\ub79c\ub364 \ud3ec\ub808\uc2a4\ud2b8 \ud68c\uadc0(Random Forest Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc5ec\ub7ec \uac1c\uc758 \uacb0\uc815 \ud2b8\ub9ac(Decision Tree)\ub97c \uacb0\ud569\ud55c \uc559\uc0c1\ube14 \ubc29\ubc95.<\/li>\n\n\n\n<li>\uac15\ub825\ud55c \uc608\uce21 \uc131\ub2a5\uacfc \uacfc\uc801\ud569 \ubc29\uc9c0.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uadf8\ub798\ub514\uc5b8\ud2b8 \ubd80\uc2a4\ud305 \ud68c\uadc0(Gradient Boosting Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc624\ub958\ub97c \uc810\uc9c4\uc801\uc73c\ub85c \uc904\uc774\ub294 \ubc29\uc2dd\uc73c\ub85c \ud2b8\ub9ac\ub97c \ud559\uc2b5.<\/li>\n\n\n\n<li>LightGBM, XGBoost, CatBoost \ub4f1\uc774 \ub300\ud45c\uc801.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uc2e0\uacbd\ub9dd \uae30\ubc18 \ud68c\uadc0(Neural Network Regression)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub525\ub7ec\ub2dd \ubaa8\ub378(CNN, RNN, MLP \ub4f1)\uc744 \uc0ac\uc6a9\ud574 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\uc5d0\uc11c \ud328\ud134\uc744 \ud559\uc2b5.<\/li>\n\n\n\n<li>\ube44\uc120\ud615 \uad00\uacc4\ub098 \uace0\ucc28\uc6d0 \ub370\uc774\ud130\uc5d0\uc11c \uc6b0\uc218\ud55c \uc131\ub2a5.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%ED%9A%8C%EA%B7%80%EB%AA%A8%ED%98%95%EC%9D%98_%ED%8F%89%EA%B0%80_%EC%A7%80%ED%91%9C\"><\/span><strong>4. \ud68c\uadc0\ubaa8\ud615\uc758 \ud3c9\uac00 \uc9c0\ud45c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud3c9\uade0 \uc81c\uacf1 \uc624\ucc28(MSE):<\/strong> MSE=1n\u2211i=1n(yi\u2212y^i)2\\text{MSE} = \\frac{1}{n} \\sum_{i=1}^{n} (y_i &#8211; \\hat{y}_i)^2<\/li>\n\n\n\n<li><strong>\ud3c9\uade0 \uc808\ub300 \uc624\ucc28(MAE):<\/strong> MAE=1n\u2211i=1n\u2223yi\u2212y^i\u2223\\text{MAE} = \\frac{1}{n} \\sum_{i=1}^{n} |y_i &#8211; \\hat{y}_i|<\/li>\n\n\n\n<li><strong>\uacb0\uc815\uacc4\uc218(R2R^2):<\/strong> R2=1\u2212SSresSStotR^2 = 1 &#8211; \\frac{\\text{SS}_{res}}{\\text{SS}_{tot}}<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_%EC%A3%BC%EC%9A%94_%ED%99%9C%EC%9A%A9_%EC%82%AC%EB%A1%80\"><\/span><strong>5. \uc8fc\uc694 \ud65c\uc6a9 \uc0ac\ub840<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacbd\uc81c:<\/strong> \uc18c\ube44\uc790 \uc9c0\ucd9c \uc608\uce21, \uae08\uc735 \uc704\ud5d8 \uad00\ub9ac.<\/li>\n\n\n\n<li><strong>\ud5ec\uc2a4\ucf00\uc5b4:<\/strong> \ud658\uc790\uc758 \uc0dd\uc874 \ud655\ub960 \uc608\uce21, \uc9c8\ubcd1 \uc9c4\ud589 \ubd84\uc11d.<\/li>\n\n\n\n<li><strong>\ud658\uacbd:<\/strong> \ub0a0\uc528 \uc608\uce21, \ub300\uae30 \uc624\uc5fc \uc218\uc900 \ubd84\uc11d.<\/li>\n\n\n\n<li><strong>\ube44\uc988\ub2c8\uc2a4:<\/strong> \ub9e4\ucd9c \uc608\uce21, \uace0\uac1d \ud589\ub3d9 \ubd84\uc11d.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud68c\uadc0\ubaa8\ud615\uc744 \uc124\uacc4\ud560 \ub54c\ub294 \ub370\uc774\ud130 \uc804\ucc98\ub9ac, \ud53c\ucc98 \uc120\ud0dd, \uacfc\uc801\ud569 \ubc29\uc9c0 \ub4f1 \ub2e4\uc591\ud55c \uc694\uc18c\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ud544\uc694\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \ubc0f \ubb38\uc81c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ubaa8\ub378\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud68c\uadc0\ubaa8\ud615(Regression Model)\uc740 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \uc5f0\uc18d\uc801\uc778 \uac12\uc744 \uc608\uce21\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc778\uacf5\uc9c0\ub2a5 \ubc0f \ud1b5\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud68c\uadc0\ubaa8\ud615\uc740 \ud2b9\uc815 \ub3c5\ub9bd\ubcc0\uc218(\uc785\ub825)\uc640 \uc885\uc18d\ubcc0\uc218(\ucd9c\ub825)&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1782,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,37,1],"tags":[],"class_list":["post-1781","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","category-tool","category-1","wpcat-6-id","wpcat-37-id","wpcat-1-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1781","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=1781"}],"version-history":[{"count":2,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1781\/revisions"}],"predecessor-version":[{"id":1787,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1781\/revisions\/1787"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1782"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1781"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}