{"id":476007,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:49","modified_gmt":"2023-09-05T11:11:49","slug":"bias-and-variance","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/bias-and-variance\/","title":{"rendered":"\ud3b8\ud5a5\uacfc \ubd84\uc0b0"},"content":{"rendered":"<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc740 \uae30\uacc4 \ud559\uc2b5, \ud1b5\uacc4, \ub370\uc774\ud130 \ubd84\uc11d \ubd84\uc57c\uc758 \uae30\ubcf8 \uac1c\ub150\uc785\ub2c8\ub2e4. \uc774\ub294 \uc608\uce21 \ubaa8\ub378\uacfc \uc54c\uace0\ub9ac\uc998\uc758 \uc131\ub2a5\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc81c\uacf5\ud558\uc5ec \ubaa8\ub378\uc758 \ubcf5\uc7a1\uc131\uacfc \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud559\uc2b5\ud558\ub294 \ub2a5\ub825 \uc0ac\uc774\uc5d0 \uc874\uc7ac\ud558\ub294 \uade0\ud615\uc744 \ub4dc\ub7ec\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \uc5ed\uc0ac\uc801 \uae30\uc6d0\uacfc \ucd5c\ucd08 \uc5b8\uae09<\/h2>\n<p>\ud1b5\uacc4\uc758 \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \uac1c\ub150\uc740 \ucd94\uc815 \uc774\ub860 \ubd84\uc57c\uc5d0\uc11c \uc720\ub798\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uc6a9\uc5b4\ub294 \ud1b5\uacc4 \ubaa8\ub378\ub9c1 \ubc0f \ucd94\uc815 \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ub3d9\uc2dc\uc5d0 20\uc138\uae30 \uc911\ubc18\uc5d0 \ucc98\uc74c\uc73c\ub85c \uc8fc\ub958 \ud1b5\uacc4 \ubb38\ud5cc\uc5d0 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud1b5\uacc4\uc801 \uac1c\ub150\uc778 \ud3b8\ud5a5(bias)\uc740 \ucd94\uc815\uae30\uc758 \uae30\ub300\uac12 \uac1c\ub150\uc5d0\uc11c \uc790\uc5f0\uc2a4\ub7fd\uac8c \ud30c\uc0dd\ub41c \uac83\uc778 \ubc18\uba74, \ubd84\uc0b0(Variance)\uc740 \ucd94\uc815\uae30\uc758 \ubd84\uc0b0\uc5d0 \ub300\ud55c \uc5f0\uad6c\uc5d0\uc11c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc608\uce21 \ubaa8\ub378\ub9c1\uc774 \ub354\uc6b1 \uc815\uad50\ud574\uc9d0\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uac1c\ub150\uc740 \uc608\uce21 \uc624\ub958\uc5d0 \uc801\uc6a9\ub418\uc5b4 \uae30\uacc4 \ud559\uc2b5\uc5d0 \ucc44\ud0dd\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \ud655\uc7a5<\/h2>\n<p>\ud3b8\ud5a5\uc740 \ud6e8\uc52c \uac04\ub2e8\ud55c \ubaa8\ub378\ub85c \uc2e4\uc81c \ubcf5\uc7a1\uc131\uc744 \uadfc\uc0ac\ud654\ud568\uc73c\ub85c\uc368 \ubc1c\uc0dd\ud558\ub294 \uccb4\uacc4\uc801\uc778 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uba38\uc2e0\ub7ec\ub2dd\uc5d0\uc11c\ub294 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc758 \uc798\ubabb\ub41c \uac00\uc815\uc73c\ub85c \uc778\ud55c \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud3b8\ud5a5\uc774 \ub192\uc73c\uba74 \uc54c\uace0\ub9ac\uc998\uc774 \ud2b9\uc131\uacfc \ub300\uc0c1 \ucd9c\ub825 \uac04\uc758 \uad00\ub828 \uad00\uacc4\ub97c \ub193\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uacfc\uc18c\uc801\ud569).<\/p>\n<p>\ubc18\uba74\uc5d0 \ubd84\uc0b0\uc740 \ub2e4\ub978 \ud6c8\ub828 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc744 \ucd94\uc815\ud560 \uacbd\uc6b0 \ubaa8\ub378\uc774 \ubcc0\uacbd\ub418\ub294 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \ud6c8\ub828 \uc138\ud2b8\uc758 \ubcc0\ub3d9\uc5d0 \ub300\ud55c \ubbfc\uac10\ub3c4\uc758 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ubd84\uc0b0\uc774 \ub192\uc73c\uba74 \uc54c\uace0\ub9ac\uc998\uc774 \ud6c8\ub828 \ub370\uc774\ud130\uc758 \ubb34\uc791\uc704 \ub178\uc774\uc988\ub97c \ubaa8\ub378\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uacfc\uc801\ud569).<\/p>\n<h2>\ub0b4\ubd80 \uad6c\uc870: \ud3b8\ud5a5 \ubc0f \ubd84\uc0b0 \uc774\ud574<\/h2>\n<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc740 \ubaa8\ub4e0 \ubaa8\ub378 \uc608\uce21\uc5d0\uc11c \uc624\ub958 \uad6c\uc131 \uc694\uc18c\uc758 \uc77c\ubd80\uc785\ub2c8\ub2e4. \ud45c\uc900 \ud68c\uadc0 \ubaa8\ub378\uc5d0\uc11c \uc784\uc758\uc758 \uc9c0\uc810 &#039;x&#039;\uc5d0\uc11c \uc608\uc0c1\ub418\ub294 \uc81c\uacf1 \uc608\uce21 \uc624\ub958\ub294 Bias^2, Variance \ubc0f irreducible error\ub85c \ubd84\ud574\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud658\uc6d0 \ubd88\uac00\ub2a5\ud55c \uc624\ub958\ub294 \uc7a1\uc74c \ud56d\uc774\uba70 \ubaa8\ub378\ub85c \uc904\uc77c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uae30\uacc4 \ud559\uc2b5\uc758 \ubaa9\ud45c\ub294 \uc804\uccb4 \uc624\ub958\ub97c \ucd5c\uc18c\ud654\ud558\ub294 \ud3b8\ud5a5\uacfc \ubd84\uc0b0 \uc0ac\uc774\uc758 \uade0\ud615\uc744 \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \uc8fc\uc694 \uae30\ub2a5 \uc911 \uc77c\ubd80\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud3b8\ud5a5-\ubd84\uc0b0 \ud2b8\ub808\uc774\ub4dc\uc624\ud504:<\/strong> \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ubaa8\ub378\uc758 \ub2a5\ub825 \uc0ac\uc774\uc5d0\ub294 \uc0c1\ucda9 \uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uacfc\uc801\ud569\uacfc \uacfc\uc18c\uc801\ud569\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc774\ub7ec\ud55c \uc808\ucda9\uc548\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubaa8\ub378 \ubcf5\uc7a1\uc131:<\/strong> \ubcf5\uc7a1\ub3c4\uac00 \ub192\uc740 \ubaa8\ub378\uc740 \ud3b8\ud5a5\uc774 \ub0ae\uace0 \ubd84\uc0b0\uc774 \ub192\uc740 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub300\ub85c \ubcf5\uc7a1\uc131\uc774 \ub0ae\uc740 \ubaa8\ub378\uc740 \ud3b8\ud5a5\uc774 \ub192\uace0 \ubd84\uc0b0\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uacfc\uc801\ud569 \ubc0f \uacfc\uc18c\uc801\ud569:<\/strong> \uacfc\uc801\ud569\uc740 \ud6c8\ub828 \ub370\uc774\ud130\ub97c \ubc00\uc811\ud558\uac8c \ub530\ub974\ub294 \ub192\uc740 \ubd84\uc0b0 \ubc0f \ub0ae\uc740 \ud3b8\ud5a5 \ubaa8\ub378\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \ub300\uc870\uc801\uc73c\ub85c, \uacfc\uc18c\uc801\ud569\uc740 \ub370\uc774\ud130\uc5d0\uc11c \uc911\uc694\ud55c \ud328\ud134\uc744 \ud3ec\ucc29\ud558\uc9c0 \ubabb\ud558\ub294 \ub192\uc740 \ud3b8\ud5a5 \ubc0f \ub0ae\uc740 \ubd84\uc0b0 \ubaa8\ub378\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud3b8\ud5a5 \ubc0f \ubd84\uc0b0\uc758 \uc720\ud615<\/h2>\n<p>\ud575\uc2ec \uac1c\ub150\uc778 \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc740 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub418\uc9c0\ub9cc \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998 \uc720\ud615\uacfc \ubb38\uc81c\uc758 \uc131\uaca9\uc5d0 \ub530\ub77c \uadf8 \ud45c\ud604\uc774 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 \uc0ac\ub840\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc54c\uace0\ub9ac\uc998 \ud3b8\ud5a5:<\/strong> \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc5d0\uc11c \uc774\ub294 \uc54c\uace0\ub9ac\uc998\uc774 \ubaa9\ud45c \ud568\uc218\ub97c \ub354 \uc27d\uac8c \uadfc\uc0ac\ud654\ud558\ub3c4\ub85d \ub9cc\ub4dc\ub294 \uac00\uc815\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub370\uc774\ud130 \ud3b8\ud5a5:<\/strong> \uc774\ub294 \ubaa8\ub378\uc744 \ud6c8\ub828\ud558\ub294 \ub370 \uc0ac\uc6a9\ub41c \ub370\uc774\ud130\uac00 \ubaa8\ub378\ub9c1\ud558\ub824\ub294 \ubaa8\uc9d1\ub2e8\uc744 \ub300\ud45c\ud558\uc9c0 \uc54a\uc744 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uce21\uc815 \ud3b8\ud5a5:<\/strong> \uc774\ub294 \uc798\ubabb\ub41c \uce21\uc815 \ub610\ub294 \ub370\uc774\ud130 \uc218\uc9d1 \ubc29\ubc95\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud3b8\ud5a5\uacfc \ubd84\uc0b0 \ud65c\uc6a9: \uacfc\uc81c\uc640 \uc194\ub8e8\uc158<\/h2>\n<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc740 \uc131\ub2a5 \uc9c4\ub2e8 \uc5ed\ud560\uc744 \ud558\uc5ec \ubaa8\ub378 \ubcf5\uc7a1\uc131\uc744 \uc870\uc815\ud558\uace0 \ub354 \ub098\uc740 \uc77c\ubc18\ud654\ub97c \uc704\ud574 \ubaa8\ub378\uc744 \uc815\uaddc\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ubaa8\ub378\uc758 \ud3b8\ud5a5\uc774 \ub192\uac70\ub098(\uacfc\uc18c\uc801\ud569\uc73c\ub85c \uc774\uc5b4\uc9d0) \ubd84\uc0b0\uc774 \ub192\uc73c\uba74(\uacfc\uc801\ud569\uc73c\ub85c \uc774\uc5b4\uc9d0) \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ubb38\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0\ucc45\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uae30\ub2a5 \ucd94\uac00\/\uc81c\uac70<\/li>\n<li>\ubaa8\ub378 \ubcf5\uc7a1\uc131 \uc99d\uac00\/\uac10\uc18c<\/li>\n<li>\ub354 \ub9ce\uc740 \ud6c8\ub828 \ub370\uc774\ud130 \uc218\uc9d1<\/li>\n<li>\uc815\uaddc\ud654 \uae30\uc220 \uad6c\ud604.<\/li>\n<\/ul>\n<h2>\uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc740 \uc885\uc885 \ub2e4\ub978 \ud1b5\uacc4 \uc6a9\uc5b4\uc640 \ube44\uad50\ub429\ub2c8\ub2e4. \uac04\ub7b5\ud55c \ube44\uad50\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud3b8\uacac<\/td>\n<td>\ubaa8\ub378\uc758 \uc608\uc0c1 \uc608\uce21\uacfc \uc62c\ubc14\ub978 \uac12\uc758 \ucc28\uc774\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ubcc0\ud654<\/td>\n<td>\uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uc5d0 \ub300\ud55c \ubaa8\ub378 \uc608\uce21\uc758 \uac00\ubcc0\uc131\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uacfc\uc801\ud569<\/td>\n<td>\ubaa8\ub378\uc774 \ub108\ubb34 \ubcf5\uc7a1\ud558\uace0 \uae30\ubcf8 \ucd94\uc138\uac00 \uc544\ub2cc \ub178\uc774\uc988\uc5d0 \ub9de\ub294 \uacbd\uc6b0.<\/td>\n<\/tr>\n<tr>\n<td>\uacfc\uc18c\uc801\ud569<\/td>\n<td>\ubaa8\ub378\uc774 \ub108\ubb34 \ub2e8\uc21c\ud558\uc5ec \ub370\uc774\ud130\uc758 \ucd94\uc138\ub97c \ud3ec\ucc29\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc5d0 \uad00\ud55c \uad00\uc810\uacfc \ubbf8\ub798\uae30\uc220<\/h2>\n<p>\ub525 \ub7ec\ub2dd\uacfc \ub354\uc6b1 \ubcf5\uc7a1\ud55c \ubaa8\ub378\uc758 \ubc1c\uc804\uc73c\ub85c \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc744 \uc774\ud574\ud558\uace0 \uad00\ub9ac\ud558\ub294 \uac83\uc774 \ub354\uc6b1 \uc911\uc694\ud574\uc84c\uc2b5\ub2c8\ub2e4. L1\/L2 \uc815\uaddc\ud654, \ub4dc\ub86d\uc544\uc6c3, \uc870\uae30 \uc911\uc9c0 \ub4f1\uacfc \uac19\uc740 \uae30\uc220\uc740 \uc774\ub97c \ucc98\ub9ac\ud558\ub294 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ubd84\uc57c\uc758 \ud5a5\ud6c4 \uc791\uc5c5\uc5d0\ub294 \ud2b9\ud788 \ub525 \ub7ec\ub2dd \ubaa8\ub378\uc758 \uacbd\uc6b0 \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc758 \uade0\ud615\uc744 \ub9de\ucd94\ub294 \uc0c8\ub85c\uc6b4 \uae30\uc220\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc744 \uc774\ud574\ud558\uba74 \ub354\uc6b1 \uac15\ub825\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 AI \uc2dc\uc2a4\ud15c\uc744 \uac1c\ubc1c\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\uc640 \ud3b8\ud5a5 \ubc0f \ubd84\uc0b0<\/h2>\n<p>\uac89\uc73c\ub85c\ub294 \uad00\ub828\uc774 \uc5c6\uc5b4 \ubcf4\uc774\uc9c0\ub9cc \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ub370\uc774\ud130 \uc218\uc9d1\uc758 \ub9e5\ub77d\uc5d0\uc11c \ud3b8\ud5a5 \ubc0f \ubd84\uc0b0\uacfc \uad00\uacc4\ub97c \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc775\uba85\uc758 \ub370\uc774\ud130 \uc2a4\ud06c\ub798\ud551\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \uae30\uc5c5\uc774 \ucc28\ub2e8\ub418\uac70\ub098 \uc798\ubabb\ub41c \ub370\uc774\ud130\ub97c \uc81c\uacf5\ubc1b\uc9c0 \uc54a\uace0 \ub2e4\uc591\ud55c \uc9c0\ub9ac\uc801 \uc704\uce58\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130 \ud3b8\ud5a5\uc744 \uc904\uc5ec \ub370\uc774\ud130\uc5d0 \ub300\ud574 \ud6c8\ub828\ub41c \uc608\uce21 \ubaa8\ub378\uc744 \ub354\uc6b1 \uc548\uc815\uc801\uc774\uace0 \uc815\ud655\ud558\uac8c \ub9cc\ub4dc\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>\ud3b8\ud5a5\uacfc \ubd84\uc0b0\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Bias%E2%80%93variance_tradeoff\" target=\"_new\" rel=\"noopener nofollow\">\ud3b8\ud5a5-\ubd84\uc0b0 \ud2b8\ub808\uc774\ub4dc\uc624\ud504(Wikipedia)<\/a><\/li>\n<li><a href=\"https:\/\/towardsdatascience.com\/understanding-the-bias-variance-tradeoff-165e6942b229\" target=\"_new\" rel=\"noopener nofollow\">\ud3b8\ud5a5-\ubd84\uc0b0 \uade0\ud615 \uc774\ud574(\ub370\uc774\ud130 \uacfc\ud559 \ubc29\ud5a5)<\/a><\/li>\n<li><a href=\"https:\/\/www.geeksforgeeks.org\/bias-vs-variance-in-machine-learning\/\" target=\"_new\" rel=\"noopener nofollow\">\uae30\uacc4 \ud559\uc2b5\uc758 \ud3b8\ud5a5\uacfc \ubd84\uc0b0(GeeksforGeeks)<\/a><\/li>\n<li><a href=\"https:\/\/web.stanford.edu\/~hastie\/ElemStatLearn\/\" target=\"_new\" rel=\"noopener nofollow\">\ud3b8\ud5a5\uacfc \ubd84\uc0b0(\uc2a4\ud0e0\ud3ec\ub4dc \ub300\ud559\uad50 \ud1b5\uacc4 \ud559\uc2b5)<\/a><\/li>\n<\/ol>","protected":false},"featured_media":467715,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476007","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Bias and Variance: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What are Bias and Variance in the context of machine learning?","answer":"<p>Bias and Variance are fundamental concepts in machine learning, statistics, and data analysis. Bias refers to the systematic error introduced by approximating a real-world complexity by a much simpler model. Variance refers to the amount by which our model would change if we estimated it using a different training dataset.<\/p>"},{"question":"When were the concepts of Bias and Variance first introduced?","answer":"<p>The concepts of Bias and Variance originated from the field of estimation theory and were introduced into mainstream statistical literature around the mid-20th century. They have since been applied to errors in predictions, leading to their adoption in machine learning.<\/p>"},{"question":"What is the Bias-Variance tradeoff?","answer":"<p>The Bias-Variance tradeoff is the balance that must be achieved between bias and variance to minimize total error. Typically, models with high bias (simpler models) have low variance and vice versa. This tradeoff helps prevent overfitting and underfitting of models.<\/p>"},{"question":"How can Bias and Variance problems be addressed?","answer":"<p>Problems arising from high bias or high variance can be addressed by adjusting the complexity of the model. High bias problems (underfitting) can be mitigated by increasing the complexity of the model or adding more features. High variance problems (overfitting) can be reduced by decreasing model complexity, gathering more training data, or implementing regularization techniques.<\/p>"},{"question":"How do Bias and Variance relate to future technologies?","answer":"<p>With advancements in deep learning and complex models, understanding and managing bias and variance become even more crucial. Future work in this area may involve developing new techniques for balancing bias and variance, particularly for deep learning models. Understanding bias and variance can also contribute to creating more robust and trustworthy AI systems.<\/p>"},{"question":"Can proxy servers be associated with Bias and Variance?","answer":"<p>Yes, proxy servers can be associated with bias and variance in the context of data collection. By enabling anonymous data scraping from different geographical locations, proxy servers help reduce data bias, making predictive models trained on such data more reliable and accurate.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476007\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/467715"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}