{"id":17119,"date":"2025-05-13T10:22:22","date_gmt":"2025-05-13T17:22:22","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=17119"},"modified":"2025-05-13T10:23:01","modified_gmt":"2025-05-13T17:23:01","slug":"data-preprocessing-in-machine-learning","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/data-preprocessing-in-machine-learning\/","title":{"rendered":"\uba38\uc2e0 \ub7ec\ub2dd(ML)\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc758 \uc911\uc694\uc131"},"content":{"rendered":"<p><i>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 \uc9c0\uc800\ubd84\ud55c \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \ubaa8\ub378 \ud559\uc2b5\uc744 \uc704\ud55c \uae54\ub054\ud558\uace0 \uad6c\uc870\ud654\ub41c \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uba38\uc2e0 \ub7ec\ub2dd\uc758 \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ubaa8\ub378 \uc815\ud655\ub3c4\ub97c \ub192\uc774\uace0, \ub370\uc774\ud130 \uc720\ucd9c\uc744 \ubc29\uc9c0\ud558\uba70, \uc54c\uace0\ub9ac\uc998\uacfc\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc815\ub9ac, \ubcc0\ud658, \uc778\ucf54\ub529, \ubd84\ud560\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc885\uc885 \ub370\uc774\ud130 \uc815\ub9ac\uc640 \ud63c\ub3d9\ub418\uae30\ub3c4 \ud558\uc9c0\ub9cc, \uc804\ucc98\ub9ac\ub294 \uc548\uc815\uc801\uc778 \uba38\uc2e0 \ub7ec\ub2dd \ud30c\uc774\ud504\ub77c\uc778\uc5d0 \uc911\uc694\ud55c \uad11\ubc94\uc704\ud55c \uc791\uc5c5\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. Pandas, Scikit-learn, Apache Spark\uc640 \uac19\uc740 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uba74 \uc774 \ud504\ub85c\uc138\uc2a4\ub97c \uac04\uc18c\ud654\ud558\uc5ec \ub2e4\uc591\ud55c \ud504\ub85c\uc81d\ud2b8 \uaddc\ubaa8\uc640 \ubcf5\uc7a1\uc131\uc5d0 \uac78\uccd0 \ud655\uc7a5 \uac00\ub2a5\ud558\uace0 \ud6a8\uacfc\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/i><\/p>\n<h2>\uba38\uc2e0 \ub7ec\ub2dd\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n<p>\uba38\uc2e0 \ub7ec\ub2dd\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \uba38\uc2e0 \ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ud615\uc2dd\uc73c\ub85c \uc815\ub9ac, \uad6c\uc131, \ubcc0\ud658\ud558\ub294 \ub2e8\uacc4\ub97c \ub9d0\ud569\ub2c8\ub2e4. \uc2e4\uc81c \ub370\uc774\ud130\uc5d0\ub294 \ub204\ub77d\ub41c \uac12, \uc77c\uad00\ub418\uc9c0 \uc54a\uc740 \ud615\uc2dd, \uc774\uc0c1\uac12, \uad00\ub828 \uc5c6\ub294 \ud2b9\uc9d5\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5b4 \uc9c0\uc800\ubd84\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc801\uc808\ud55c \uc0ac\uc804 \ucc98\ub9ac\ub97c \ud558\uc9c0 \uc54a\uc73c\uba74 \uc544\ubb34\ub9ac \uc815\uad50\ud55c \uba38\uc2e0\ub7ec\ub2dd \ubaa8\ub378\uc774\ub77c\ub3c4 \ud328\ud134\uc744 \ucc3e\ub294 \ub370 \uc5b4\ub824\uc6c0\uc744 \uacaa\uac70\ub098 \uc798\ubabb\ub41c \uacb0\uacfc\ub97c \ub3c4\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 ML \ubaa8\ub378\uc758 \uc815\ud655\uc131\uacfc \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub370\uc774\ud130\uc5d0 \uc228\uaca8\uc9c4 \ub354 \uae4a\uc740 \uc778\uc0ac\uc774\ud2b8\ub97c \ubc1c\uacac\ud558\ub294 \ub370\ub3c4 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub610\ud55c \uc785\ub825 \ub370\uc774\ud130\uc758 \ud488\uc9c8, \uc77c\uad00\uc131, \uad00\ub828\uc131\uc744 \ubcf4\uc7a5\ud568\uc73c\ub85c\uc368 \uc131\uacf5\uc801\uc778 ML \ud504\ub85c\uc81d\ud2b8\uc758 \ud1a0\ub300\ub97c \ub9c8\ub828\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \ub370\uc774\ud130 \uc815\ub9ac \ube44\uad50<\/h2>\n<p>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \ub370\uc774\ud130 \uc815\ub9ac\ub294 \uc885\uc885 \uac19\uc740 \uc758\ubbf8\ub85c \uc0ac\uc6a9\ub418\uc9c0\ub9cc, \ub370\uc774\ud130 \uc900\ube44 \ud30c\uc774\ud504\ub77c\uc778\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \ub2e8\uacc4\ub97c \uac00\ub9ac\ud0b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc815\ub9ac\ub294 \uc2e4\uc81c\ub85c \uad11\ubc94\uc704\ud55c \ub370\uc774\ud130 \uc804\ucc98\ub9ac \ud504\ub85c\uc138\uc2a4\uc758 \ud558\uc704 \uc9d1\ud569\uc785\ub2c8\ub2e4. \uc774 \ub458\uc758 \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uba38\uc2e0 \ub7ec\ub2dd \ubaa8\ub378\uc744 \uad6c\ucd95\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud558\uba70, \uac01\uac01\uc740 \ub2e4\uc74c\uc744 \uc900\ube44\ud558\ub294 \ub370 \uace0\uc720\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/what-is-data-analysis\/\" target=\"_blank\" rel=\"noopener\">\ubd84\uc11d\uc6a9 \uc6d0\uc2dc \ub370\uc774\ud130<\/a>. \uc544\ub798 \ud45c\uc5d0\ub294 \uad6c\uccb4\uc801\uc778 \ubaa9\uc801, \uc791\uc5c5 \ubc0f \uc911\uc694\uc131\uc774 \uba85\ud655\ud558\uac8c \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\uce21\uba74<\/b><\/td>\n<td><b>\ub370\uc774\ud130 \uc815\ub9ac<\/b><\/td>\n<td><b>\ub370\uc774\ud130 \uc804\ucc98\ub9ac<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>\ubc94\uc704<\/b><\/td>\n<td>\uc881\uc74c - \ub370\uc774\ud130 \ubb38\uc81c \uc81c\uac70\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4.<\/td>\n<td>\uad11\ubc94\uc704 - \uba38\uc2e0 \ub7ec\ub2dd\uc744 \uc704\ud55c \ub370\uc774\ud130 \uc815\ub9ac, \ubcc0\ud658 \ubc0f \uc900\ube44 \ud3ec\ud568<\/td>\n<\/tr>\n<tr>\n<td><b>\uc8fc\uc694 \ubaa9\ud45c<\/b><\/td>\n<td>\ub370\uc774\ud130 \ud488\uc9c8 \ud5a5\uc0c1<\/td>\n<td>\ubaa8\ub378 \ud559\uc2b5 \ubc0f \ud3c9\uac00\uc5d0 \uc801\ud569\ud55c \ub370\uc774\ud130 \ub9cc\ub4e4\uae30<\/td>\n<\/tr>\n<tr>\n<td><b>\uc77c\ubc18\uc801\uc778 \uc791\uc5c5<\/b><\/td>\n<td>\uc911\ubcf5 \uc81c\uac70, \ub204\ub77d\ub41c \uac12 \ucc98\ub9ac<\/td>\n<td>\ud074\ub9ac\ub2dd, \uc815\uaddc\ud654, \uc778\ucf54\ub529, \uae30\ub2a5 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc0f \ubd84\ud560<\/td>\n<\/tr>\n<tr>\n<td><b>\ud2b8\ub79c\uc2a4\ud3ec\uba54\uc774\uc158\uc744 \ud3ec\ud568\ud558\ub098\uc694?<\/b><\/td>\n<td>\ub4dc\ubb3c\uac8c<\/td>\n<td>\uc790\uc8fc(\uc608: \uc2a4\ucf00\uc77c\ub9c1, \uc778\ucf54\ub529, \uc9d1\uacc4)<\/td>\n<\/tr>\n<tr>\n<td><b>\uc0ac\uc6a9 \ubd84\uc57c<\/b><\/td>\n<td>\ub370\uc774\ud130 \ub7ad\uae00\ub9c1, \ucd08\uae30 \ubd84\uc11d<\/td>\n<td>\uc804\uccb4 \uba38\uc2e0 \ub7ec\ub2dd \ud30c\uc774\ud504\ub77c\uc778 - \uc6d0\uc2dc \ub370\uc774\ud130\ubd80\ud130 \ubaa8\ub378 \uc9c0\uc6d0 \ud615\uc2dd\uae4c\uc9c0<\/td>\n<\/tr>\n<tr>\n<td><b>\uc0ac\uc6a9 \ub3c4\uad6c<\/b><\/td>\n<td>\ud310\ub2e4, OpenRefine, Excel<\/td>\n<td>Scikit-learn, Pandas, TensorFlow, NumPy<\/td>\n<\/tr>\n<tr>\n<td><b>\uc608<\/b><\/td>\n<td>\ud3c9\uade0\uc73c\ub85c \ub204\ub77d\ub41c \uac12 \ucc44\uc6b0\uae30<\/td>\n<td>\ub204\ub77d\ub41c \uac12 \ucc44\uc6b0\uae30 \ubc0f \uc6d0\ud56b \uc778\ucf54\ub529, \ud45c\uc900\ud654 \ubc0f \ud6c8\ub828\/\ud14c\uc2a4\ud2b8 \ubd84\ud560\uacfc \ud568\uaed8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uba38\uc2e0 \ub7ec\ub2dd\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uac00 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n<p>\ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 \uba38\uc2e0\ub7ec\ub2dd \ud30c\uc774\ud504\ub77c\uc778\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. \ubaa8\ub378\uc5d0 \uacf5\uae09\ub418\ub294 \ub370\uc774\ud130\uac00 \uae68\ub057\ud558\uace0 \uc77c\uad00\ub418\uba70 \uc720\uc775\ud55c \uc815\ubcf4\uac00 \ub418\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec \uc131\ub2a5\uacfc \uc2e0\ub8b0\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uba38\uc2e0 \ub7ec\ub2dd\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uac00 \uc911\uc694\ud55c \uba87 \uac00\uc9c0 \uc8fc\uc694 \uc774\uc720\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\"><b>\ubaa8\ub378 \uc815\ud655\ub3c4\ub97c \uac1c\uc120\ud569\ub2c8\ub2e4:<\/b> \uae68\ub057\ud558\uace0 \uc798 \uad6c\uc870\ud654\ub41c \ub370\uc774\ud130\ub294 \uc54c\uace0\ub9ac\uc998\uc774 \ud328\ud134\uc744 \ub354 \ud6a8\uacfc\uc801\uc73c\ub85c \ud559\uc2b5\ud558\uc5ec \ub354 \ub098\uc740 \uc608\uce21\uacfc \uacb0\uacfc\ub97c \ub3c4\ucd9c\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ub178\uc774\uc988\uc640 \ubd88\uc77c\uce58\ub97c \uc904\uc785\ub2c8\ub2e4:<\/b> \uad00\ub828\uc131\uc774 \uc5c6\uac70\ub098 \uc798\ubabb\ub41c \ub370\uc774\ud130\ub97c \uc81c\uac70\ud558\uba74 \uc798\ubabb\ub41c \uc778\uc0ac\uc774\ud2b8\uc640 \ubaa8\ub378 \ud63c\ub3d9\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ub204\ub77d\ub418\uac70\ub098 \ubd88\uc644\uc804\ud55c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4:<\/b> \uc804\uce58 \ub610\ub294 \uc0ad\uc81c\uc640 \uac19\uc740 \uc804\ucc98\ub9ac \uae30\uc220\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc758 \uacf5\ubc31\uc73c\ub85c \uc778\ud574 \ubaa8\ub378 \uc131\ub2a5\uc774 \uc800\ud558\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ub370\uc774\ud130 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4:<\/b> \ub9ce\uc740 \uba38\uc2e0 \ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc5d0\ub294 \ud2b9\uc815 \ud615\uc2dd\uc758 \ub370\uc774\ud130\uac00 \ud544\uc694\ud558\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc804\ucc98\ub9ac \ub2e8\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/normalization-vs-denormalization\/\" target=\"_blank\" rel=\"noopener\">\uc815\uaddc\ud654<\/a> \ub610\ub294 \uc778\ucf54\ub529\uc744 \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc774\ub7ec\ud55c \uc694\uad6c \uc0ac\ud56d\uacfc \ud638\ud658\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ub370\uc774\ud130 \uc720\ucd9c\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4:<\/b> \uc804\ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc801\uc808\ud788 \ubd84\ud560(\ud6c8\ub828, \uac80\uc99d, \ud14c\uc2a4\ud2b8 \uc138\ud2b8\ub85c)\ud558\uba74 \uacfc\uc801\ud569\uc744 \ubc29\uc9c0\ud558\uace0 \uacf5\uc815\ud55c \ubaa8\ub378 \ud3c9\uac00\ub97c \ubcf4\uc7a5\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\uc2dc\uac04\uacfc \ub9ac\uc18c\uc2a4\ub97c \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/b> \uae68\ub057\ud558\uace0 \uccb4\uacc4\uc801\uc73c\ub85c \uc815\ub9ac\ub41c \ub370\uc774\ud130\ub294 \ubaa8\ub378 \ud559\uc2b5\uc744 \uac04\uc18c\ud654\ud558\uace0, \uacc4\uc0b0 \ube44\uc6a9\uc744 \uc808\uac10\ud558\uba70, \uac1c\ubc1c \uc8fc\uae30\ub97c \ub2e8\ucd95\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\ub370\uc774\ud130 \uc804\ucc98\ub9ac \uae30\uc220<\/h2>\n<p>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc5d0\ub294 \uba38\uc2e0\ub7ec\ub2dd \ubaa8\ub378\uc5d0 \uc0ac\uc6a9\ud560 \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\uae30 \uc704\ud574 \uace0\uc548\ub41c \ub2e4\uc591\ud55c \uae30\uc220\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \uae30\uc220\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ud2b9\uc815 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0 \ub354 \uae68\ub057\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc785\ub825\uc744 \uc81c\uacf5\ud558\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub370\uc774\ud130 \uc804\ucc98\ub9ac \uae30\ubc95 \uc911 \uc77c\ubd80\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\"><b>\ub370\uc774\ud130 \uc815\ub9ac:<\/b> \uc624\ub958\ub97c \uac10\uc9c0 \ubc0f \uc218\uc815\ud558\uace0, \uc911\ubcf5\uc744 \uc81c\uac70\ud558\uba70, \ub300\uc785 \ub610\ub294 \uc0ad\uc81c\uc640 \uac19\uc740 \uc804\ub7b5\uc744 \ud1b5\ud574 \ub204\ub77d\ub41c \uac12\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\uc815\uaddc\ud654 \ubc0f \uc2a4\ucf00\uc77c\ub9c1:<\/b> \ubc94\uc704\uc758 \ucc28\uc774\ub97c \uc65c\uace1\ud558\uc9c0 \uc54a\uace0 \uc22b\uc790 \uac12\uc744 \uacf5\ud1b5 \ubc30\uc728\ub85c \uc870\uc815\ud558\uba70, \uc885\uc885 KNN \ub610\ub294 \uacbd\uc0ac \ud558\uac15 \uae30\ubc18 \ubaa8\ub378\uacfc \uac19\uc740 \uc54c\uace0\ub9ac\uc998\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ubc94\uc8fc\ud615 \ubcc0\uc218\ub97c \uc778\ucf54\ub529\ud569\ub2c8\ub2e4:<\/b> \uc6d0\ud56b \uc778\ucf54\ub529 \ub610\ub294 \ub808\uc774\ube14 \uc778\ucf54\ub529\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc22b\uc790\uac00 \uc544\ub2cc \ub370\uc774\ud130(\uc608: \ub808\uc774\ube14 \ub610\ub294 \uce74\ud14c\uace0\ub9ac)\ub97c \uc22b\uc790 \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\uc774\uc0c1\uac12 \uac10\uc9c0 \ubc0f \uc81c\uac70:<\/b> \ud574\uacb0\ud558\uc9c0 \uc54a\uc73c\uba74 \ubaa8\ub378 \uc131\ub2a5\uc5d0 \ubd80\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub294 \ub2e4\ub978 \ub370\uc774\ud130 \uc694\uc18c\uc640 \ud06c\uac8c \ubc97\uc5b4\ub098\ub294 \ub370\uc774\ud130 \uc694\uc18c\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ucc28\uc6d0 \ucd95\uc18c:<\/b> \uc8fc\uc131\ubd84 \ubd84\uc11d(PCA)\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ubcf4\uc874\ud558\uba74\uc11c \uc785\ub825 \uae30\ub2a5\uc758 \uc218\ub97c \uc904\uc785\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\"><b>\ub370\uc774\ud130 \ubd84\ud560:<\/b> \ub370\uc774\ud130 \uc138\ud2b8\ub97c \ud559\uc2b5, \uac80\uc99d, \ud14c\uc2a4\ud2b8 \uc138\ud2b8\ub85c \ub098\ub204\uc5b4 \ubaa8\ub378\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud3c9\uac00\ud558\uace0 \uacfc\uc801\ud569\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\uba38\uc2e0 \ub7ec\ub2dd\uc758 \ub370\uc774\ud130 \uc804\ucc98\ub9ac \ub2e8\uacc4<\/h2>\n<div id=\"attachment_17120\" style=\"width: 910px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17120\" class=\"wp-image-17120 size-large\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-1024x816.png\" alt=\"Steps in the data processing pipeline\" width=\"900\" height=\"717\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-1024x816.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-300x239.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-768x612.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-1536x1224.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1-1320x1052.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/05\/image1-1.png 1656w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><p id=\"caption-attachment-17120\" class=\"wp-caption-text\">\ub370\uc774\ud130 \uc804\ucc98\ub9ac \ud30c\uc774\ud504\ub77c\uc778\uc758 \ub2e8\uacc4<\/p><\/div>\n<p>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 \uba38\uc2e0\ub7ec\ub2dd\uc744 \uc704\ud574 \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\ub294 \uc5ec\ub7ec \ub2e8\uacc4\uc758 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uac01 \ub2e8\uacc4\ub294 \ub370\uc774\ud130 \uc138\ud2b8\uac00 \uc815\ud655\ud558\uace0 \uc77c\uad00\ub418\uba70 \ubaa8\ub378 \uc131\ub2a5\uc5d0 \ucd5c\uc801\ud654\ub418\ub3c4\ub85d \ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130 \uc804\ucc98\ub9ac \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc758 \ub2e8\uacc4\ubcc4 \ubd84\uc11d\uc785\ub2c8\ub2e4:<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ub370\uc774\ud130 \uc218\uc9d1<\/h3>\n<p style=\"padding-left: 40px;\">\uc774 \ud504\ub85c\uc138\uc2a4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uad00\ub828 \uc18c\uc2a4\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\ub294 \uac83\uc73c\ub85c \uc2dc\uc791\ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/resources\/concepts\/types-of-databases\/\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130\ubca0\uc774\uc2a4<\/a>, <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/api-vs-sdk\/\" target=\"_blank\" rel=\"noopener\">API<\/a>, \uc13c\uc11c \ub610\ub294 \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc9d1\ub41c \ub370\uc774\ud130\uc758 \ud488\uc9c8\uacfc \uad00\ub828\uc131\uc740 \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uc791\uc5c5\uc758 \uc131\uacf5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ub370\uc774\ud130 \ud0d0\uc0c9<\/h3>\n<p style=\"padding-left: 40px;\">\ubcc0\uacbd\uc744 \ud558\uae30 \uc804\uc5d0 \ud0d0\uc0c9\uc801 \ub370\uc774\ud130 \ubd84\uc11d(EDA)\uc744 \ud1b5\ud574 \ub370\uc774\ud130 \uc9d1\ud569\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\ub294 \ub370\uc774\ud130 \ud2b9\uc131 \uc694\uc57d, \ubd84\ud3ec \uc2dc\uac01\ud654, \ud328\ud134 \uac10\uc9c0, \uc774\uc0c1 \ub610\ub294 \ubd88\uc77c\uce58 \uc2dd\ubcc4\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ub370\uc774\ud130 \uc815\ub9ac<\/h3>\n<p style=\"padding-left: 40px;\">\uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ub204\ub77d\ub41c \uac12, \uc911\ubcf5 \ub808\ucf54\ub4dc, \uc77c\uad00\ub418\uc9c0 \uc54a\uc740 \uc11c\uc2dd \ubc0f \uc774\uc0c1\uac12\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc815\ub9ac\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uace0 \ubaa8\ub378 \ud559\uc2b5\uc744 \ubc29\ud574\ud560 \uc218 \uc788\ub294 \ub178\uc774\uc988\ub098 \uc624\ub958\uac00 \uc5c6\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ub370\uc774\ud130 \ubcc0\ud658<\/h3>\n<p style=\"padding-left: 40px;\">\uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ubaa8\ub378 \ud638\ud658\uc131\uc744 \uc704\ud574 \ub370\uc774\ud130\uc758 \ud615\uc2dd\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\ub294 \uc218\uce58 \uac12 \uc815\uaddc\ud654 \ub610\ub294 \uc2a4\ucf00\uc77c\ub9c1, \ubc94\uc8fc\ud615 \ubcc0\uc218 \uc778\ucf54\ub529, \uc65c\uace1\ub41c \ubd84\ud3ec \ubcc0\ud658\uc744 \ud1b5\ud574 \ubaa8\ub378 \ud559\uc2b5\uc744 \uac1c\uc120\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\uae30\ub2a5 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/h3>\n<p style=\"padding-left: 40px;\">\uae30\uc874 \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc0dd\uc131\ud558\uc5ec \uae30\ubcf8 \ud328\ud134\uc744 \ub354 \uc798 \ud3ec\ucc29\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 \uc2dc\uac04 \uae30\ubc18 \ubcc0\uc218 \ucd94\ucd9c, \ud544\ub4dc \uacb0\ud569 \ub610\ub294 \ub370\uc774\ud130 \uc9d1\ud569\uc744 \ubcf4\uac15\ud558\uae30 \uc704\ud55c \ub3c4\uba54\uc778 \uc9c0\uc2dd \uc801\uc6a9\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\uae30\ub2a5 \uc120\ud0dd<\/h3>\n<p style=\"padding-left: 40px;\">\ubaa8\ub4e0 \uae30\ub2a5\uc774 \ubaa8\ub378 \uc131\ub2a5\uc5d0 \ub611\uac19\uc774 \uae30\uc5ec\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uac00\uc7a5 \uad00\ub828\uc131\uc774 \ub192\uc740 \ubcc0\uc218\ub97c \uc120\ud0dd\ud558\uace0 \uc911\ubcf5\ub418\uac70\ub098 \uad00\ub828\uc131\uc774 \uc5c6\ub294 \ubcc0\uc218\ub97c \uc81c\uac70\ud558\uc5ec \uacfc\uc801\ud569\uc744 \uc904\uc774\uace0 \ud6a8\uc728\uc131\uc744 \uac1c\uc120\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ub370\uc774\ud130 \ubd84\ud560<\/h3>\n<p style=\"padding-left: 40px;\">\uc815\ub9ac\ub418\uace0 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\ub41c \ub370\uc774\ud130 \uc138\ud2b8\ub294 \ud559\uc2b5, \uac80\uc99d \ubc0f \ud14c\uc2a4\ud2b8 \uc138\ud2b8\ub85c \ub098\ub269\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ubcf4\uc774\uc9c0 \uc54a\ub294 \ub370\uc774\ud130\uc5d0 \ub300\ud574 \ubaa8\ub378\uc744 \ud3c9\uac00\ud558\uace0 \uc2e4\uc81c \uc2dc\ub098\ub9ac\uc624\uc5d0 \uc77c\ubc18\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 400 !important; padding-left: 40px;\">\ucd5c\uc885 \uac80\ud1a0<\/h3>\n<p style=\"padding-left: 40px;\">\ubaa8\ub378\ub9c1 \uc804\uc5d0 \ucd5c\uc885 \uc810\uac80\uc744 \ud1b5\ud574 \ubaa8\ub4e0 \uc804\ucc98\ub9ac \ub2e8\uacc4\uac00 \uc62c\ubc14\ub974\uac8c \uc801\uc6a9\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ub370\uc774\ud130 \uc720\ucd9c\uc774\ub098 \ubd88\uade0\ud615\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubd84\ud3ec, \ud53c\ucc98 \ud488\uc9c8, \ub370\uc774\ud130 \ubd84\ud560\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \uc804\ucc98\ub9ac \uc608\uc81c<\/h2>\n<p>\uace0\uac1d\uc774 \uad6c\ub3c5 \uc11c\ube44\uc2a4\uc5d0\uc11c \uc774\ud0c8\ud560\uc9c0 \uc5ec\ubd80\ub97c \uc608\uce21\ud558\ub294 \ubaa8\ub378\uc744 \uad6c\ucd95\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uc5f4\uc774 \uc788\ub294 \ud1b5\uc2e0 \ud68c\uc0ac\uc758 \ub370\uc774\ud130 \uc9d1\ud569\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Customer_ID<\/b><\/td>\n<td><b>\ub098\uc774<\/b><\/td>\n<td><b>\uc131\ubcc4<\/b><\/td>\n<td><b>\uc6d4\ubcc4 \uc694\uae08<\/b><\/td>\n<td><b>\uacc4\uc57d \uc720\ud615<\/b><\/td>\n<td><b>\uc774\ud0c8<\/b><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>34<\/td>\n<td>\ub0a8\uc131<\/td>\n<td>70.5<\/td>\n<td>\uc6d4\ubcc4<\/td>\n<td>\uc608<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>NaN<\/td>\n<td>\uc5ec\uc131<\/td>\n<td>85<\/td>\n<td>1\ub144<\/td>\n<td>\uc544\ub2c8\uc694<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>45<\/td>\n<td>\uc5ec\uc131<\/td>\n<td>NaN<\/td>\n<td>\uc6d4\ubcc4<\/td>\n<td>\uc608<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>29<\/td>\n<td>\ub0a8\uc131<\/td>\n<td>65.5<\/td>\n<td>2\ub144<\/td>\n<td>\uc544\ub2c8\uc694<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc804\ucc98\ub9ac \ub2e8\uacc4\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><b>\ub204\ub77d\ub41c \uac12 \ucc98\ub9ac<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub204\ub77d\ub41c \ub098\uc774\ub97c \ud3c9\uade0 \uc5f0\ub839(36\uc138)\uc73c\ub85c \ucc44\uc6c1\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\">\uc5f4 \uc911\uc559\uac12(73.5)\uc73c\ub85c \ub204\ub77d\ub41c Monthly_Charges\ub97c \ucc44\uc6c1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol start=\"2\">\n<li><b>\ubc94\uc8fc\ud615 \ubcc0\uc218 \uc778\ucf54\ub529<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\"><b>\uc131\ubcc4<\/b> (\ub0a8\uc131\/\uc5ec\uc131) \ubc0f <b>\uacc4\uc57d \uc720\ud615<\/b> (\uc6d4 \ub2e8\uc704, 1\ub144, 2\ub144)\uc740 \ubc94\uc8fc\ud615\uc785\ub2c8\ub2e4.<\/li>\n<li aria-level=\"1\">\uc2e0\uccad\ud558\uc138\uc694:\n<ul>\n<li aria-level=\"2\"><b>\ub77c\ubca8 \uc778\ucf54\ub529<\/b> \uc131\ubcc4(\ub0a8\uc131 = 0, \uc5ec\uc131 = 1)\uc758 \uacbd\uc6b0<\/li>\n<li aria-level=\"2\"><b>\uc6d0\ud56b \uc778\ucf54\ub529<\/b> \uc744 \uacc4\uc57d \uc720\ud615\uc73c\ub85c \uc124\uc815\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ub429\ub2c8\ub2e4:\n<ul>\n<li aria-level=\"3\">\uacc4\uc57d_\uc6d4 \ub2e8\uc704, \uacc4\uc57d_1\ub144, \uacc4\uc57d_2\ub144<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol start=\"3\">\n<li><b>\uae30\ub2a5 \ud655\uc7a5<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub098\uc774\uc640 \uc6d4\ubcc4_\uc694\uae08\uc744 \uc815\uaddc\ud654\ud558\uc5ec \ub3d9\uc77c\ud55c \uc2a4\ucf00\uc77c\ub85c \ub9cc\ub4ed\ub2c8\ub2e4(\ud2b9\ud788 KNN\uacfc \uac19\uc740 \uac70\ub9ac \uae30\ubc18 \ubaa8\ub378\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol start=\"4\">\n<li><b>\ud0c0\uac9f \uc778\ucf54\ub529<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc774\ud0c8(\uc608\/\uc544\ub2c8\uc694)\uc744 \ubc14\uc774\ub108\ub9ac\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4:\n<ul>\n<li aria-level=\"2\">\uc608 = 1<\/li>\n<li aria-level=\"2\">\uc544\ub2c8\uc694 = 0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol start=\"5\">\n<li><b>\uc815\ub9ac \ubc0f \uc804\ucc98\ub9ac\ub41c \ub370\uc774\ud130 \uc9d1\ud569<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<table>\n<tbody>\n<tr>\n<td><b>\ub098\uc774<\/b><\/td>\n<td><b>\uc131\ubcc4<\/b><\/td>\n<td><b>\uc6d4\ubcc4 \uc694\uae08<\/b><\/td>\n<td><b>\uacc4\uc57d_\uc6d4<\/b><\/td>\n<td><b>\uacc4\uc57d_\ud558\ub098<\/b><\/td>\n<td><b>\uacc4\uc57d_2<\/b><\/td>\n<td><b>\uc774\ud0c8<\/b><\/td>\n<\/tr>\n<tr>\n<td>34<\/td>\n<td>0<\/td>\n<td>70.5<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>36<\/td>\n<td>1<\/td>\n<td>85<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>45<\/td>\n<td>1<\/td>\n<td>73.5<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>29<\/td>\n<td>0<\/td>\n<td>65.5<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uc774\uc81c \ub370\uc774\ud130 \uc138\ud2b8\uac00 \uae68\ub057\ud558\uace0 \uc218\uce58\ud654\ub418\uc5b4 \ubaa8\ub378 \ud559\uc2b5\uc744 \uc704\ud55c \uc900\ube44\uac00 \uc644\ub8cc\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \uc804\ucc98\ub9ac \ub3c4\uad6c<\/h2>\n<p>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc5d0 \uc801\ud569\ud55c \ub3c4\uad6c\ub97c \uc120\ud0dd\ud558\uba74 \uba38\uc2e0 \ub7ec\ub2dd \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc758 \ud6a8\uc728\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub3c4\uad6c\uc758 \ubaa9\ub85d\uacfc \uac01 \ub3c4\uad6c\uc758 \uc7a5\uc810 \ubc0f \ud55c\uacc4\uc785\ub2c8\ub2e4:<\/p>\n<h3 style=\"font-weight: 400 !important;\">\ud32c\ub354(\ud30c\uc774\uc36c)<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uad6c\uc870\ud654\ub41c \ub370\uc774\ud130 \ucc98\ub9ac(\uc608: CSV, Excel, SQL \ud14c\uc774\ube14)<\/li>\n<li aria-level=\"1\">\ub370\uc774\ud130 \uc815\ub9ac, \ud544\ud130\ub9c1 \ubc0f \ubcc0\ud658<\/li>\n<li aria-level=\"1\">\ube60\ub978 \ud0d0\uc0c9 \ub370\uc774\ud130 \ubd84\uc11d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub300\uaddc\ubaa8 \ubd84\uc0b0 \ucc98\ub9ac<\/li>\n<li aria-level=\"1\">\ubcf5\uc7a1\ud55c ETL \ud30c\uc774\ud504\ub77c\uc778 \ub610\ub294 <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/resources\/concepts\/unstructured-data\/\" target=\"_blank\" rel=\"noopener\">\ube44\uc815\ud615 \ub370\uc774\ud130(\uc608: \uc774\ubbf8\uc9c0, \uc624\ub514\uc624)<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">NumPy(\ud30c\uc774\uc36c)<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc22b\uc790 \uc5f0\uc0b0 \ubc0f \ub2e4\ucc28\uc6d0 \ubc30\uc5f4 \ub2e4\ub8e8\uae30<\/li>\n<li aria-level=\"1\">\uc131\ub2a5 \ucd5c\uc801\ud654\ub41c \ud589\ub82c \uacc4\uc0b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub192\uc740 \uc218\uc900\uc758 \ub370\uc774\ud130 \uc870\uc791 \ub610\ub294 \uc815\ub9ac<\/li>\n<li aria-level=\"1\">\ub808\uc774\ube14\uc774 \uc9c0\uc815\ub41c \ub370\uc774\ud130 \uc9d1\ud569\uc73c\ub85c \uc9c1\uc811 \uc791\uc5c5(Pandas\uac00 \ub354 \uc801\ud569\ud568)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">Scikit-learn(Python)<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uae30\ub2a5 \ud06c\uae30 \uc870\uc815, \uc778\ucf54\ub529 \ubc0f \uc120\ud0dd<\/li>\n<li aria-level=\"1\">\ub370\uc774\ud130 \ubd84\ud560(\ud6c8\ub828\/\ud14c\uc2a4\ud2b8\/\uac80\uc99d)<\/li>\n<li aria-level=\"1\">ML \ubaa8\ub378 \ubc0f \ud30c\uc774\ud504\ub77c\uc778\uacfc\uc758 \ud1b5\ud569<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub525 \ub7ec\ub2dd \uc791\uc5c5<\/li>\n<li aria-level=\"1\">\ub370\uc774\ud130 \uc870\uc791\uc774 \ub9ce\uc740 \uacbd\uc6b0(\ud310\ub2e4\uc640 \ud568\uaed8 \uc0ac\uc6a9)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">OpenRefine<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc9c0\uc800\ubd84\ud558\uace0 \uad6c\uc870\ud654\ub418\uc9c0 \uc54a\uc558\uac70\ub098 \uc77c\uad00\uc131\uc774 \uc5c6\ub294 \ub370\uc774\ud130 \uc815\ub9ac<\/li>\n<li aria-level=\"1\">\uc11c\ub85c \ub2e4\ub978 \uc6d0\ubcf8\uc758 \ub370\uc774\ud130 \uc870\uc815 \ubc0f \ubcc0\ud658<\/li>\n<li aria-level=\"1\">\ube44\ud504\ub85c\uadf8\ub798\uba38\ub97c \uc704\ud55c GUI \uae30\ubc18 \ub3c4\uad6c\uac00 \ud544\uc694\ud55c \uacbd\uc6b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ub300\uaddc\ubaa8 \ub370\uc774\ud130 \uc138\ud2b8<\/li>\n<li aria-level=\"1\">\uc790\ub3d9\ud654\ub41c \uba38\uc2e0 \ub7ec\ub2dd \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0 \ud1b5\ud569<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">\uc544\ud30c\uce58 \uc2a4\ud30c\ud06c(\ud30c\uc774\uc2a4\ud30c\ud06c \ub610\ub294 \uc2a4\uce7c\ub77c \uc0ac\uc6a9)<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ubd84\uc0b0 \ud658\uacbd\uc5d0\uc11c \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \uc138\ud2b8 \ucc98\ub9ac\ud558\uae30<\/li>\n<li aria-level=\"1\">\ube45\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc758 \ub370\uc774\ud130 \uc804\ucc98\ub9ac<\/li>\n<li aria-level=\"1\">\ud074\ub77c\uc6b0\ub4dc \ud50c\ub7ab\ud3fc(AWS, Azure, GCP)\uacfc\uc758 \ud1b5\ud569<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc911\uc18c\uaddc\ubaa8 \ub370\uc774\ud130 \uc138\ud2b8(\uc624\ubc84\ud5e4\ub4dc\uac00 \uc815\ub2f9\ud654\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc74c)<\/li>\n<li aria-level=\"1\">\uc138\ubd84\ud654\ub41c \ub300\ud654\ud615 \ub370\uc774\ud130 \uc870\uc791<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">Dataiku<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc804\ucc98\ub9ac, \ubaa8\ub378\ub9c1 \ubc0f \ubc30\ud3ec\ub97c \ud3ec\ud568\ud55c \uc5d4\ub4dc\ud22c\uc5d4\ub4dc ML \uc6cc\ud06c\ud50c\ub85c<\/li>\n<li aria-level=\"1\">\uae30\uc220 \ubc0f \ube44\uae30\uc220 \uc0ac\uc6a9\uc790\uac00 \ubaa8\ub450 \ud3ec\ud568\ub41c \ud300<\/li>\n<li aria-level=\"1\">\uc2dc\uac01\uc801 \ud504\ub85c\uadf8\ub798\ubc0d \ubc0f \uc790\ub3d9\ud654<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\uc2ec\uce35 \uc0ac\uc6a9\uc790 \uc9c0\uc815 \ub610\ub294 \ub0ae\uc740 \uc218\uc900\uc758 \ub370\uc774\ud130 \uc81c\uc5b4<\/li>\n<li aria-level=\"1\">\uac00\ubcbc\uc6b4 \uac1c\uc778 \ud504\ub85c\uc81d\ud2b8 \ub610\ub294 \ucf54\ub4dc \uc804\uc6a9 \uc6cc\ud06c\ud50c\ub85c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400 !important;\">\ud150\uc11c\ud50c\ub85c\uc6b0 \ub370\uc774\ud130 \uc720\ud6a8\uc131 \uac80\uc0ac(TFDV)<\/h3>\n<p><b>\uac00\uc7a5 \uc801\ud569\ud55c \ub300\uc0c1:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ud504\ub85c\ub355\uc158 ML \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0\uc11c \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uac80\uc99d\ud558\uae30<\/li>\n<li aria-level=\"1\">\ub300\uaddc\ubaa8 \uc2a4\ud0a4\ub9c8 \uc774\uc0c1 \ubc0f \ub370\uc774\ud130 \ub4dc\ub9ac\ud504\ud2b8 \uac10\uc9c0<\/li>\n<li aria-level=\"1\">\ud150\uc11c\ud50c\ub85c\uc6b0 \ud655\uc7a5(TFX) \uc5d0\ucf54\uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c \uc0ac\uc6a9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>\uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/b><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\">\ubc94\uc6a9 \ub370\uc774\ud130 \uc815\ub9ac<\/li>\n<li aria-level=\"1\">TensorFlow \ub610\ub294 TFX \ud658\uacbd \uc678\ubd80\uc5d0\uc11c \uc0ac\uc6a9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ub3c4\uad6c\uc758 \uac15\uc810\uacfc \ud55c\uacc4\ub294 \uad81\uadf9\uc801\uc73c\ub85c \ud504\ub85c\uc81d\ud2b8\uc758 \uaddc\ubaa8, \ubcf5\uc7a1\uc131 \ubc0f \uae30\uc220 \ud658\uacbd\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \ub3c4\uad6c(\uc608: \ud074\ub9ac\ub2dd\uc744 \uc704\ud55c \ud310\ub2e4\uc640 \uae30\ub2a5 \ud655\uc7a5\uc744 \uc704\ud55c Scikit-learn)\ub97c \uacb0\ud569\ud558\uba74 \ucd5c\uc0c1\uc758 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc8fc\uc694 \uc694\uc810 \ubc0f \ub9ac\uc18c\uc2a4<\/h2>\n<p>\ub370\uc774\ud130 \uc804\ucc98\ub9ac\ub294 \uba38\uc2e0\ub7ec\ub2dd \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc9c0\uc800\ubd84\ud55c \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \ubaa8\ub378 \ud559\uc2b5\uc5d0 \uc801\ud569\ud55c \uae54\ub054\ud558\uace0 \uad6c\uc870\ud654\ub41c \ub370\uc774\ud130 \uc9d1\ud569\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uacb0\uce21\uac12 \ucc98\ub9ac, \ubc94\uc8fc\ud615 \ubcc0\uc218 \uc778\ucf54\ub529, \uae30\ub2a5 \ud655\uc7a5, \uc0c8\ub85c\uc6b4 \uae30\ub2a5 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uacfc \uac19\uc740 \uc791\uc5c5\uc774 \ud3ec\ud568\ub418\uba70, \ubaa8\ub450 \ubaa8\ub378\uc758 \uc815\ud655\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \uac1c\uc120\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc804\ucc98\ub9ac\ub97c \uac74\ub108\ub6f0\uba74 \uc131\ub2a5\uc774 \uc800\ud558\ub418\uace0 \uc798\ubabb\ub41c \uacb0\uacfc\ub97c \ucd08\ub798\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud310\ub2e4\uc2a4, Scikit-learn, \ud150\uc11c\ud50c\ub85c\uc6b0\uc640 \uac19\uc740 \ub3c4\uad6c\ub294 \ud504\ub85c\uc138\uc2a4\ub97c \uac04\uc18c\ud654\ud558\uba70, OpenRefine\uc774\ub098 Excel\uc740 \ub354 \uac00\ubccd\uac70\ub098 \uc2dc\uac01\uc801\uc778 \uc791\uc5c5\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc544\ub798 \ub9ac\uc18c\uc2a4\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc900\ube44\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \uc811\uadfc \ubc29\uc2dd\uc5d0 \ub300\ud574 \uacc4\uc18d \uc54c\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li aria-level=\"1\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/data-chunking\/\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130 \uccad\ud06c \uac00\uc774\ub4dc<\/a><\/li>\n<li aria-level=\"1\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/prepare-datasets-fine-tuning-ml-models\/\" target=\"_blank\" rel=\"noopener\">ML \ubaa8\ub378 \ubbf8\uc138 \uc870\uc815\uc744 \uc704\ud55c \ub370\uc774\ud130 \uc138\ud2b8 \uc900\ube44\ud558\uae30: \uc885\ud569 \uac00\uc774\ub4dc<\/a><\/li>\n<li aria-level=\"1\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/guide-to-data-prep-for-rag\/\" target=\"_blank\" rel=\"noopener\">\uac80\uc0c9 \uc99d\uac15 \uc0dd\uc131(RAG)\uc744 \uc704\ud55c \ub370\uc774\ud130 \uc900\ube44\ub97c \uc704\ud55c \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc<\/a><\/li>\n<li aria-level=\"1\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/resources\/concepts\/batch-processing\/\" target=\"_blank\" rel=\"noopener\">\uc77c\uad04 \ucc98\ub9ac - \uac1c\ub150<\/a><\/li>\n<li aria-level=\"1\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/data-mining-techniques\/\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130 \ub9c8\uc774\ub2dd\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uae30\uc220, \ub3c4\uad6c \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Data preprocessing is a vital step in machine learning that transforms raw, messy data into a clean and structured format for model training. 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