\uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uac1c\ub150\uae4c\uc9c0 \ub2e4\ub8e8\ub294 \ub3d9\uc2dc\uc5d0, \ud329\ud130 \ud68c\uc804\uc728\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud55c \uc811\uadfc \ubc29\uc2dd\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uac1c\ub150, \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc758 \uae30\ubcf8 \uc6d0\ub9ac, \uadf8\ub9ac\uace0 \ud329\ud130 \ud68c\uc804\uc728\uc758 \uc911\uc694\uc131\uacfc \uc2e4\uc2b5 \ubc29\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n<\/header>\n \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774\ub780, \ucef4\ud4e8\ud130 \uc54c\uace0\ub9ac\uc998\uc744 \uc774\uc6a9\ud574 \ub9e4\ub9e4\ub97c \uc790\ub3d9\uc73c\ub85c \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uc8fc\uc2dd, \ucc44\uad8c, \uc678\ud658 \ub4f1 \ub2e4\uc591\ud55c \uc790\uc0b0\uc5d0 \uc801\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uc8fc\uc694 \uc774\uc810\uc740 \uc2e0\uc18d\ud55c \uc758\uc0ac\uacb0\uc815\uacfc \uc778\uac04\uc758 \uac10\uc815 \uac1c\uc785\uc774 \uc5c6\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4.<\/p>\n \uba38\uc2e0\ub7ec\ub2dd(Machine Learning)\uc740 \ub370\uc774\ud130\ub97c \uc774\uc6a9\ud574 \ubaa8\ub378\uc744 \ud559\uc2b5\uc2dc\ud0a4\uace0, \uc774\ub97c \ud1b5\ud574 \uc608\uce21\uc774\ub098 \ubd84\ub958 \ub4f1\uc758 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. \ub525\ub7ec\ub2dd(Deep Learning)\uc740 \uba38\uc2e0\ub7ec\ub2dd\uc758 \ud55c \ubd84\uc57c\ub85c, \ub2e4\uce35 \uc2e0\uacbd\ub9dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4.<\/p>\n \ub525\ub7ec\ub2dd\uc740 \uc778\uacf5 \uc2e0\uacbd\ub9dd(Artificial Neural Network)\uc744 \uae30\ubc18\uc73c\ub85c \ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \uc785\ub825\uce35, \uc740\ub2c9\uce35, \ucd9c\ub825\uce35\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uac01 \uce35\uc740 \uc5ec\ub7ec \uac1c\uc758 \ub274\ub7f0\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc73c\uba70, \uc774\ub4e4\uc740 \uc11c\ub85c \uc5f0\uacb0\ub418\uc5b4 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n \uba38\uc2e0\ub7ec\ub2dd\uc740 \ud2b9\uc9d5\uc744 \uc218\ub3d9\uc73c\ub85c \ucd94\ucd9c\ud574\uc57c \ud558\uc9c0\ub9cc, \ub525\ub7ec\ub2dd\uc740 \uc790\ub3d9\uc73c\ub85c \ud2b9\uc9d5\uc744 \ud559\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubcf5\uc7a1\ud55c \ub370\uc774\ud130(\uc608: \uc774\ubbf8\uc9c0, \uc74c\uc131)\ub97c \ucc98\ub9ac\ud558\ub294 \ub370\ub294 \ub525\ub7ec\ub2dd\uc774 \ub354 \uc720\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n \ud329\ud130 \ud68c\uc804\uc728(Factor Rotation)\uc740 \ud22c\uc790 \uc804\ub7b5\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \ud329\ud130\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \uad50\uccb4\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \ud2b9\uc815 \ud329\ud130\uac00 \uc2dc\uc7a5\uc5d0\uc11c\uc758 \uc131\uacfc\uac00 \uc88b\uc9c0 \uc54a\uc744 \ub54c, \ub2e4\ub978 \ud329\ud130\ub85c \uc804\ud658\ud568\uc73c\ub85c\uc368 \uc704\ud5d8\uc744 \uc904\uc774\uace0 \uc218\uc775\uc744 \uadf9\ub300\ud654\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n \uc2dc\uc7a5 \ud658\uacbd\uc740 \ub04a\uc784\uc5c6\uc774 \ubcc0\ud654\ud558\uae30 \ub54c\ubb38\uc5d0, \ud2b9\uc815 \ud329\ud130\uac00 \uc720\ud6a8\ud588\ub358 \uc2dc\uae30\uac00 \uc9c0\ub098\uba74 \uadf8 \ud6a8\uc6a9\uc774 \uac10\uc18c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \ud22c\uc790\uc790\ub294 \uc8fc\uae30\uc801\uc73c\ub85c \ud329\ud130\ub97c \uc810\uac80\ud558\uace0 \ud68c\uc804\uc2dc\ud0ac \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \ud329\ud130 \ud68c\uc804\uc728 \uc804\ub7b5\uc740 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc774\ub098 \uacbd\uc81c\uc801 \uc774\ub860\uc5d0 \uae30\ubc18\ud558\uc5ec \uac01 \ud329\ud130\uc758 \uc131\uacfc\ub97c \ud3c9\uac00\ud558\uace0, \uadf8\uc5d0 \ub530\ub77c \ube44\uc911\uc744 \uc870\uc815\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uc6b4\uc601\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n \ud329\ud130 \ud68c\uc804\uc728\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \uba38\uc2e0\ub7ec\ub2dd \uae30\ubc95\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud329\ud130\uc758 \uc131\uacfc\ub97c \uc608\uce21\ud558\uace0, \ubcf4\ub2e4 \ud6a8\uacfc\uc801\uc778 \ud329\ud130 \ud68c\uc804 \uc804\ub7b5\uc744 \uc218\ub9bd\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n \uba3c\uc800, \ud329\ud130 \ud68c\uc804\uc728\uc5d0 \ub300\ud55c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \uc8fc\uc2dd \ub370\uc774\ud130, \uac70\ub798\ub7c9, \uacbd\uc81c \uc9c0\ud45c \ub4f1 \ub2e4\uc591\ud55c \ub370\uc774\ud130\ub97c \ud3ec\ud568\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc9d1\ub41c \ub370\uc774\ud130\ub294 \uacb0\uce21\uce58 \ucc98\ub9ac, \uc815\uaddc\ud654 \ub4f1\uc758 \uc804\ucc98\ub9ac \uacfc\uc815\uc744 \uac70\uccd0\uc57c \ud569\ub2c8\ub2e4.<\/p>\n \ud329\ud130 \ud68c\uc804\uc728\uc744 \uc608\uce21\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \uba38\uc2e0\ub7ec\ub2dd \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ud45c\uc801\uc73c\ub85c \ud68c\uadc0 \ubd84\uc11d, \uacb0\uc815 \ud2b8\ub9ac, \ub79c\ub364 \ud3ec\ub808\uc2a4\ud2b8, XGBoost, LSTM \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc120\ud0dd\ud55c \ubaa8\ub378\uc744 \ud1b5\ud574 \ud329\ud130\uc758 \uacfc\uac70 \uc131\uacfc \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \ud559\uc2b5\uc744 \uc9c4\ud589\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uad50\ucc28 \uac80\uc99d(cross-validation)\uc744 \ud1b5\ud574 \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\uace0, \ucd5c\uc801\uc758 \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n \ud6c8\ub828\ub41c \ubaa8\ub378\uc744 \uae30\ubc18\uc73c\ub85c \uc2e4\uc81c \uc2dc\uc7a5\uc5d0\uc11c \ud329\ud130 \ud68c\uc804 \uc804\ub7b5\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4. \uc774\ub54c \uac01 \ud329\ud130\uc758 \uc131\uacfc\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0, \ud544\uc694\uc5d0 \ub530\ub77c \ubaa8\ub378\uc744 \uc7ac\ud6c8\ub828\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud558\uc5ec \ud329\ud130 \ud68c\uc804\uc728\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ubc29\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4. \ub525\ub7ec\ub2dd\uc740 \ube44\ub300\uce6d\uc801\uc774\uace0 \ube44\uc120\ud615\uc801\uc778 \uad00\uacc4\ub97c \ud559\uc2b5\ud558\ub294 \ub370 \uc720\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n \ub525\ub7ec\ub2dd \ubaa8\ub378\uc740 \uc5ec\ub7ec \uce35\uc758 \ub274\ub7f0\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc808\ud55c \uc218\uc758 \uc740\ub2c9\uce35\uacfc \ub274\ub7f0 \uc218\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub54c, \ub4dc\ub86d\uc544\uc6c3(dropout)\uacfc \ubc30\uce58 \uc815\uaddc\ud654(batch normalization)\uc640 \uac19\uc740 \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uc5ec \uacfc\uc801\ud569\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n \ud329\ud130 \ud68c\uc804\uc728 \ub370\uc774\ud130\ub294 \uc2dc\uacc4\uc5f4 \ub370\uc774\ud130\uc774\ubbc0\ub85c, LSTM(Long Short-Term Memory) \ub124\ud2b8\uc6cc\ud06c\uc640 \uac19\uc740 \uc21c\ud658 \uc2e0\uacbd\ub9dd(RNN)\uc744 \ud65c\uc6a9\ud558\uba74 \uc88b\uc2b5\ub2c8\ub2e4. LSTM\uc740 \uc2dc\uac04\uc744 \uace0\ub824\ud55c \ub370\uc774\ud130 \ucc98\ub9ac\uc5d0 \uac15\uc810\uc774 \uc788\uc5b4, \ud329\ud130\uc758 \uacfc\uac70 \uc131\uacfc\ub97c \uae30\ubc18\uc73c\ub85c \ubbf8\ub798\ub97c \uc608\uce21\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/p>\n \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\uace0 \ub370\uc774\ud130\uc5d0 \ub9de\uac8c \uc870\uc815\ud558\ub294 \uacfc\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc190\uc2e4 \ud568\uc218(loss function)\ub97c \uc120\ud0dd\ud558\uace0, \ucd5c\uc801\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc744 \uac1c\uc120\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n \uc2e4\uc81c \uc2dc\uc7a5\uc5d0 \uc801\uc6a9\ub41c \ub525\ub7ec\ub2dd \uae30\ubc18\uc758 \ud329\ud130 \ud68c\uc804\uc728 \uc804\ub7b5\uc758 \uc131\uacfc\ub97c \ubd84\uc11d\ud569\ub2c8\ub2e4. \uc218\uc775\ub960, \ubcc0\ub3d9\uc131, \uc0e4\ud504 \ube44\uc728 \ub4f1 \ub2e4\uc591\ud55c \uc9c0\ud45c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc131\uacfc\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uacfc \ud329\ud130 \ud68c\uc804\uc728\uc740 \ud604\ub300 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c \ud6a8\uacfc\uc801\uc778 \ud22c\uc790 \uc804\ub7b5\uc73c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud22c\uc790\uc790\ub294 \ubcf4\ub2e4 \uc815\uad50\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ud22c\uc790 \uacb0\uc815\uc744 \ub0b4\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \ud558\uc9c0\ub9cc, \uc774\ub7ec\ud55c \uae30\uc220\uc744 \uc801\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 \ucda9\ubd84\ud55c \uc5f0\uad6c\uc640 \ub370\uc774\ud130 \ubd84\uc11d\uc774 \ud544\uc694\ud558\uba70, \uc2dc\uc7a5\uc758 \ubcc0\ub3d9\uc131\uc744 \ud56d\uc0c1 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \ubbf8\ub798\ub3c4 \ub354\uc6b1 \ubc1d\uc544\uc9c8 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/section>\n1. \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uac1c\uc694<\/h2>\n
1.1 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uc7a5\uc810<\/h3>\n
\n
1.2 \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \ub2e8\uc810<\/h3>\n
\n
2. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n
2.1 \uba38\uc2e0\ub7ec\ub2dd\uc758 \uc885\ub958<\/h3>\n
\n
2.2 \ub525\ub7ec\ub2dd\uc758 \uad6c\uc870<\/h3>\n
2.3 \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd\uc758 \ucc28\uc774<\/h3>\n
3. \ud329\ud130 \ud68c\uc804\uc728\uc758 \uac1c\ub150<\/h2>\n
3.1 \ud329\ud130 \ud68c\uc804\uc728\uc758 \ud544\uc694\uc131<\/h3>\n
3.2 \ud329\ud130 \ud68c\uc804\uc728\uc758 \uc804\ub7b5<\/h3>\n
\n
4. \ud329\ud130 \ud68c\uc804\uc728 \ucd5c\uc801\ud654\ub97c \uc704\ud55c \uba38\uc2e0\ub7ec\ub2dd \uae30\ubc95<\/h2>\n
4.1 \ub370\uc774\ud130 \uc218\uc9d1 \ubc0f \uc804\ucc98\ub9ac<\/h3>\n
4.2 \ubaa8\ub378 \uc120\ud0dd<\/h3>\n
4.3 \ubaa8\ub378 \uad50\uc721<\/h3>\n
4.4 \ud329\ud130 \ud68c\uc804 \uc804\ub7b5 \uc2e4\ud589<\/h3>\n
5. \ub525\ub7ec\ub2dd\uc744 \ud1b5\ud55c \ud329\ud130 \ud68c\uc804\uc728 \ucd5c\uc801\ud654<\/h2>\n
5.1 \ub525\ub7ec\ub2dd \ubaa8\ub378 \uc124\uacc4<\/h3>\n
5.2 \uc2dc\uacc4\uc5f4 \ub370\uc774\ud130 \ucc98\ub9ac<\/h3>\n
5.3 \ubaa8\ub378 \ud3c9\uac00 \ubc0f \uac1c\uc120<\/h3>\n
5.4 \ud22c\uc790 \uc131\uacfc \ubd84\uc11d<\/h3>\n
6. \uacb0\ub860<\/h2>\n