{"id":891,"date":"2019-02-10T23:22:44","date_gmt":"2019-02-10T14:22:44","guid":{"rendered":"http:\/\/141.164.34.82\/?p=891"},"modified":"2019-12-05T23:37:00","modified_gmt":"2019-12-05T14:37:00","slug":"bigdata-analysis-with-r","status":"publish","type":"post","link":"http:\/\/ds.sumeun.org\/?p=891","title":{"rendered":"BigData Analysis with R"},"content":{"rendered":"<h1><img loading=\"lazy\" class=\"alignnone size-full wp-image-1048\" src=\"http:\/\/141.164.34.82\/wp-content\/uploads\/2019\/02\/R\ub85c\ud558\ub294\ube45\ub370\uc774\ud130\ubd84\uc11d_\ub370\uc774\ud130\uc804\ucc98\ub9ac\uc640\uc2dc\uac01\ud654.png\" alt=\"\" width=\"987\" height=\"1920\" \/><\/h1>\n<h1>R\ub85c \ud558\ub294 \ube45\ub370\uc774\ud130 \ubd84\uc11d: \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \uc2dc\uac01\ud654<\/h1>\n<ul>\n<li>\uc81c\ubaa9 : R\ub85c \ud558\ub294 \ube45\ub370\uc774\ud130 \ubd84\uc11d | \ucd9c\ud310\uc0ac : \uc228\uc740\uc6d0\ub9ac<\/li>\n<li>\uc9c0\uc74c : \uae40\uad8c\ud604 \/ \uac00\uaca9 : 25,000\uc6d0 \/ \ud310\ud615 : 175&#215;250<\/li>\n<li>\ucabd\uc218 : 326\ucabd \/ \ubc1c\ud589\uc77c : 2019\ub144 3\uc6d4 1\uc77c \/ ISBN : 979-11-960144-7-6(93000)<\/li>\n<\/ul>\n<p>\uc774 \ucc45\uc740 \uc5b4\ub290 \uc815\ub3c4 \ud504\ub85c\uadf8\ub798\ubc0d \uacbd\ud5d8\uc774 \uc788\ub294 \ub3c5\uc790\ub97c \ub300\uc0c1\uc73c\ub85c, \uc624\ud508 \uc18c\uc2a4 \ub370\uc774\ud130 \ubd84\uc11d \ub3c4\uad6c\uc778 R\uc744 \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \ubd88\ub7ec\ub4e4\uc774\uace0, \uac00\uacf5\ud558\uace0, \uc2dc\uac01\ud654\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud55c\ub2e4. \uc774 \ucc45\uc740 \uc2dc\uc911\uc758 \ucc45\ub4e4\uacfc \ub2ec\ub9ac \ud2b9\uc815\ud55c \uae30\ub2a5\uc744 \ud558\ub294 \ud568\uc218\ub4e4\uc744 \uc124\uba85\ud558\uae30 \uc804\uc5d0 \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc758 \ubaa9\uc801\uacfc \uae30\ub2a5\uc5d0 \ub300\ud55c \uac1c\ub150\uc801\uc778 \uc774\ud574\ub97c \uc6b0\uc120 \ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc900\ub2e4. \uadf8\ub9ac\uace0 \ub0a0\uc9dc\uc2dc\uac04 \uc790\ub8cc\ud615, \ubb38\uc790\uc5f4 \uc790\ub8cc\ud615, \uc815\uaddc\ud45c\ud604\uc2dd \ub4f1\uc5d0 \ub300\ud55c \uc6d0\ub9ac\uc640 \uc751\uc6a9 \ubc29\ubc95\uc744 \uc790\uc138\ud558\uac8c \uc124\uba85\ud558\uc5ec \ubcf5\uc7a1\ud55c \uc804\ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c\ub3c4 \ub17c\ub9ac\uc801 \uc624\ub958\ub97c \ubc94\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud55c\ub2e4. \ubd84\uc0b0\ucc98\ub9ac \uc5c6\uc774 \ube45\ub370\uc774\ud130 \ucc98\ub9ac\ub97c \ud560 \uc218 \uc788\ub294 \ub9c8\uc9c0\ub9c9 \ubcf4\ub958\uc778 \ub370\uc774\ud130\ud14c\uc774\ube14\uc744 dplyr \ud328\ud0a4\uc9c0\uc758 \ud568\uc218\uc640 \ube44\uad50\ud558\uc5ec \uc774\ud574\ub97c \ub3c4\uc654\uace0,ggplot2\uc758 \uc124\uba85\uc5d0\uc11c\ub294 \ud50c\ub86f\uc758 \uc218\ub9ce\uc740 \uc635\uc158\uc744 \uc815\ud558\ub294 \ubc29\ubc95\uc744 \ud55c \ub208\uc5d0 \ubcf4\uae30 \uc2f6\uac8c \ubcf4\uc5ec\uc900\ub2e4. \uadf8 \ubc16\uc5d0\ub3c4 \ubd80\ub85d\uc73c\ub85c RStudio\uc758 \uce58\ud2b8\uc2dc\ud2b8\ub97c \uc218\ub85d\ud558\uc600\ub2e4. \uc5b4\ub290 \uc815\ub3c4 R\uc5d0 \uc775\uc219\ud55c \ub3c5\uc790\ub4e4\uc5d0\uac8c\ub3c4 R\uc758 \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \uc2dc\uac01\ud654\uc5d0 \ub300\ud574 \uc880 \ub354 \uae4a\uc774 \uc54c \uc218 \uc788\uac8c \ud558\uc600\ub2e4. \ub808\ud37c\ub7f0\uc2a4 \ubd81\uc73c\ub85c\ub3c4 \uc190\uc0c9\uc774 \uc5c6\ub2e4.<\/p>\n<h2>\ucd9c\ud310\uc0ac \uc11c\ud3c9<\/h2>\n<p>\uc774 \ucc45\uc740 \ucfe1\ubd81(Cookbook)\uc774 \uc544\ub2c8\ub2e4!<\/p>\n<p>\ubb3c\ub860 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc73c\ub85c \uc6d0\ud558\ub294 \ubaa9\uc801\uc744 \ub2ec\uc131\ud558\ub294 \uac00\uc7a5 \ube60\ub978 \ubc29\ubc95\uc740<br \/>\n\uc774\ubbf8 \uc791\ub3d9\ud558\ub294 \uc18c\uc2a4 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\ub294 \uac83\uc774\ub2e4. \ud558\uc9c0\ub9cc \uc18c\uc2a4 \ucf54\ub4dc\ub97c \uace0\uccd0\uc57c \ud55c\ub2e4\uba74!?!<\/p>\n<p>\uadf8 \ub54c\ubd80\ud130\ub294 \uc218\ub9ce\uc740 \ubb38\ubc95\uc624\ub958, \ub17c\ub9ac\uc624\ub958(\ubc84\uadf8)\uc5d0<br \/>\n\uc798 \ub3cc\uc544\uac00\ub358 \ud504\ub85c\uadf8\ub7a8\ub3c4 \uc548 \ub3cc\uc544\uac00\ub294 \uc2e0\ube44\ud55c \uacbd\ud5d8\uc744 \ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uadf8 \ubc84\uadf8\ub780 \ubb34\uc5c7 \ub54c\ubb38\uc5d0 \uc0dd\uae30\ub294\uac00?<\/p>\n<p>\uc2e4\uc218, \uc218\uba74\ubd80\uc871, \uc8fc\uc758 \uc0b0\ub9cc \ub4f1 \ub2e4\uc591\ud55c \uc6d0\uc778\uc774 \uc788\uaca0\uc9c0\ub9cc,<br \/>\n\ub610 \ub2e4\ub978 \uc8fc\uc694 \uc6d0\uc778\uc740 <strong>\ud2bc\ud2bc\ud558\uc9c0 \ubabb\ud55c \uae30\ucd08<\/strong>\uc5d0 \uc788\ub2e4!<\/p>\n<ul>\n<li>NA &gt; 3\uc740 \uc65c NA\uc774\uace0, NA | TRUE\ub294 \uc65c TRUE\uc778\uac00?<\/li>\n<li>\ub370\uc774\ud130\ud14c\uc774\ube14(data.table)\uc758 \ubcf5\uc7a1\ud55c \ubb38\ubc95\uc740 \uc5b4\ub5bb\uac8c \uc774\ud574\ud574\uc57c \ud558\ub294\uac00?<\/li>\n<li>\uc815\uaddc\ud45c\ud604\uc2dd\uc758 \uba54\ud0c0\ubb38\uc790\ub294 \ubb34\uc5c7\uc774\uace0, \uc5b4\ub5bb\uac8c \ub2e4\ub8e8\uc5b4\uc57c \ud558\ub294\uac00?<\/li>\n<li>ggplot2\uc758 \uc218\ub9ce\uc740 \uc635\uc158\uc740 \uc5b4\ub5bb\uac8c \uc678\uc6cc\uc57c \ud560\uae4c?<\/li>\n<\/ul>\n<p>\ud328\ud0a4\uc9c0, \ubca1\ud130, \ub370\uc774\ud130\ud504\ub808\uc784 \ub4f1 \uae30\ucd08\ubd80\ud130 \ub370\uc774\ud130\ud14c\uc774\ube14, \uc815\uaddc\ud45c\ud604\uc2dd, ggplot2\uae4c\uc9c0<br \/>\n\ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \uc2dc\uac01\ud654\ub97c \uc704\ud55c \ud575\uc2ec\uc744 \ubaa8\ub450 \ub2f4\uc558\ub2e4!<\/p>\n<h2>\uc800\uc790\uc18c\uac1c<\/h2>\n<h4>\uc9c0\uc740\uc774 : \uae40\uad8c\ud604<\/h4>\n<ul>\n<li>\uc11c\uc6b8\ub300\ud559\uad50 \uc778\uc9c0\uacfc\ud559 \ubc15\uc0ac<\/li>\n<li>\uc11c\uc6b8\ub300\ud559\uad50 \ubb3c\ub9ac\ud559 \ud559\uc0ac<\/li>\n<li>\uc11c\uc6b8\ub300\ud559\uad50 \uc0ac\ud68c\uacfc\ud559\uc6d0 \ubc29\ubc95\ub860 \ucee8\uc124\ud134\ud2b8<\/li>\n<li>\uc11c\uc6b8\ub300\ud559\uad50 \uc0ac\ud68c\uacfc\ud559\uc6d0 R \uac15\uc758<\/li>\n<li>\uc11c\uac15\ub300\ud559\uad50, \uad6d\ubbfc\ub300\ud559\uad50 \ub4f1 \uac15\uc758(\uc2ec\ub9ac\ud1b5\uacc4, \ubd84\uc11d\ud504\ub85c\uadf8\ub798\ubc0d)<\/li>\n<li>R \ud328\ud0a4\uc9c0 mirt\uc758 \uacf5\ud5cc\uc790<\/li>\n<li>Datacamp.com \uae30\uace0(Long to Wide Data in R)<\/li>\n<li>&#8216;\uae30\ucd08 \ud1b5\uacc4\ud559\uc758 \uc228\uc740 \uc6d0\ub9ac&#8217;, &#8216;\uc218\ud559\uc758 \uc228\uc740 \uc6d0\ub9ac&#8217; \ub4f1\uc758 \uc800\uc790<\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>\ucc28 \ub840<\/h2>\n<p><strong>1 \ub4e4\uc5b4\uac00\uae30<\/strong><br \/>\n1.1 R \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 8<\/p>\n<p><strong>2 R\uc758 \ud328\ud0a4\uc9c0(Packages)<\/strong><\/p>\n<p>2.1 \ud328\ud0a4\uc9c0 \uc124\uce58 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 9<\/p>\n<p>2.2 \ud328\ud0a4\uc9c0 \uad00\ub828 \uc815\ubcf4 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 10<\/p>\n<p>2.3 \ud328\ud0a4\uc9c0 \ubd88\ub7ec\uc624\uae30\/\ud655\uc778\ud558\uae30\/\uc81c\uac70\ud558\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 11<\/p>\n<p>2.4 \ud328\ud0a4\uc9c0 \uad00\ub9ac\ud558\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 12<\/p>\n<p>2.5 \uc911\ubcf5\ub418\ub294 \ud568\uc218\uc640 \ubcc0\uc218 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 12<\/p>\n<p><strong>3 R\uc758 \ubcc0\uc218, \uc790\ub8cc\ud615, \uc5f0\uc0b0\/\ud568\uc218<\/strong><\/p>\n<p>3.1 R\uc758 \ubcc0\uc218 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 13<\/p>\n<p>3.2 R\uc758 \ub370\uc774\ud130 \ud0c0\uc785(\uc790\ub8cc\ud615) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 17<\/p>\n<p>3.3 \uc5f0\uc0b0(Operations)\uacfc \ud568\uc218(Functions) \u2026 \u2026 \u2026 \u2026 \u2026 . . 20<\/p>\n<p>3.4 \ud2b9\ubcc4\ud55c \uac12 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 26<\/p>\n<p><strong>4 \ub370\uc774\ud130 \uad6c\uc870<\/strong><\/p>\n<p>4.1 \ubca1\ud130(Vector) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 31<\/p>\n<p>4.2 \ub370\uc774\ud130 \uad6c\uc870\uc5d0 \ub530\ub978 \uc0dd\uc131, \ucc38\uc870, \uc218\uc815, \ucd94\uac00, \uc0ad\uc81c \ud568\uc218 \u2026 \u2026 \u2026 . 43<\/p>\n<p>4.3 CRUD(Create, Read, Update, Delete) \u2026 \u2026 \u2026 \u2026 \u2026 51<\/p>\n<p>4.4 3+\ucc28\uc6d0\uc758 \ubc30\uc5f4 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 53<\/p>\n<p><strong>5 dplyr \ud328\ud0a4\uc9c0\ub97c \ud65c\uc6a9\ud55c \ub370\uc774\ud130 \uac00\uacf5<\/strong><\/p>\n<p>5.1 magrittr\uc758 \ud30c\uc774\ud504 \uc5f0\uc0b0\uc790 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 59<\/p>\n<p>5.2 dplyr\uc758 \ubc29\uc2dd: \ubd80\ubd84 \uc120\ud0dd(Subsetting) \u2026 \u2026 \u2026 \u2026 \u2026 . . 62<\/p>\n<p>5.3 dplyr\uc758 \ubc29\uc2dd : \uc218\uc815 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 68<\/p>\n<p>5.4 dplyr\uc758 \uae30\ud0c0 \ud3b8\uc758 \uae30\ub2a5 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 74<\/p>\n<p><strong>6 \ub0a0\uc9dc\uc640 \uc2dc\uac04(Date and Time)<\/strong><\/p>\n<p>6.1 \ub0a0\uc9dc\uc758 \ud45c\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 80<\/p>\n<p>6.2 \ub0a0\uc9dc \ud45c\uae30 \ubcc0\ud658 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 81<\/p>\n<p>6.3 \ub0a0\uc9dc\uc2dc\uac04 \ud45c\uae30 \uc778\uc2dd \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 82<\/p>\n<p>6.4 \ub0a0\uc9dc, \uc2dc\uac04 \uc5f0\uc0b0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 89<\/p>\n<p>6.5 \ub0a0\uc9dc(\uc2dc\uac04)\uc758 \ud2b9\uc815\ud55c \uc815\ubcf4 \ucc38\uc870 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 90<\/p>\n<p>6.6 \ub0a0\uc9dc(\uc2dc\uac04) \uac31\uc2e0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 90<\/p>\n<p>6.7 \ud65c\uc6a9\uc608 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 93<\/p>\n<p><strong>7 \ud329\ud130\ud615 \ub370\uc774\ud130\ud0c0\uc785<\/strong><\/p>\n<p>7.1 \ud329\ud130\ud615\uc758 \uc911\uc694\uc131 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 96<\/p>\n<p>7.2 \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc5d0 \uc788\uc5b4\uc11c \ud329\ud130\ud615 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 96<\/p>\n<p>7.3 forcats \ud328\ud0a4\uc9c0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 98<\/p>\n<p><strong>8 R\ub85c \ub370\uc774\ud130 \uc77d\uc5b4\uc624\uae30<\/strong><\/p>\n<p>8.1 R \ub0b4\uc7a5 \ub370\uc774\ud130 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 101<\/p>\n<p>8.2 \ub4e4\uc5b4\uac00\uae30 : write.table\/read.table, save\/load \u2026 \u2026 \u2026 . . 102<\/p>\n<p>8.3 \ud14d\uc2a4\ud2b8\ub85c \uc800\uc7a5\ub41c \ub370\uc774\ud130 \ud654\uc77c \uc77d\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 103<\/p>\n<p>8.4 EXCEL \ud654\uc77c \uc77d\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 110<\/p>\n<p>8.5 \uadf8 \ubc16\uc758 \ud1b5\uacc4 \ud504\ub85c\uadf8\ub7a8 \ub370\uc774\ud130 \ud654\uc77c \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 111<\/p>\n<p><strong>9 \ub370\uc774\ud130 \uac00\uacf5<\/strong><\/p>\n<p>9.1 \uc9d1\ub2e8\ubcc4\ub85c \ud568\uc218 \uc801\uc6a9\ud558\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 114<\/p>\n<p>9.2 \uc5ec\ub7ec \ub370\uc774\ud130 \ud504\ub808\uc784 \ud569\uce58\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 119<\/p>\n<p>9.3 \uc138\ub85c\ud615\/\uac00\ub85c\ud615 \ubcc0\ud658 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 125<\/p>\n<p>10 \ud328\ud0a4\uc9c0 \ub370\uc774\ud130\ud14c\uc774\ube14(data.table)<\/p>\n<p>10.1 package:dplyr\uacfc package:data.table\uc758 \ube44\uad50 \u2026 \u2026 \u2026 \u2026 . 127<\/p>\n<p>10.2 data.table\uc758 \ud0a4(key) \ud65c\uc6a9\ud558\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 143<\/p>\n<p>10.3 data.table\uc744 \ud65c\uc6a9\ud55c \ubcd1\ud569 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 148<\/p>\n<p>10.4 \uadf8 \ubc16\uc758 \ud2b9\uc218\ud55c \uae30\ud638 : .SD, .GRP, .N, .I, .BY, .EACHI \u2026 \u2026 \u2026 . 157<\/p>\n<p>10.5 \ub370\uc774\ud130\ud14c\uc774\ube14 \uc885\ud569 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 165<\/p>\n<p><strong>11 \ubb38\uc790\uc5f4(character)<\/strong><\/p>\n<p>11.1 \uc778\ucf54\ub529 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 167<\/p>\n<p>11.2 \ub300\ud45c\uc801\uc778 \uc778\ucf54\ub529 \ubc29\ubc95 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 168<\/p>\n<p>11.3 \uadf8 \ubc16\uc758 \uc778\ucf54\ub529 \ubc29\ubc95 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 168<\/p>\n<p>11.4 R\uc5d0\uc11c \uc778\ucf54\ub529 \ub2e4\ub8e8\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 169<\/p>\n<p>11.5 R\uc5d0\uc11c \ubb38\uc790\uc5f4 \uc785\ub825 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 171<\/p>\n<p>11.6 \uc720\ub2c8\ucf54\ub4dc \uc815\uaddc\ud654(Normalization) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 173<\/p>\n<p>11.7 \ubb38\uc790\uc5f4\uc758 \uc815\ub82c \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 174<\/p>\n<p>11.8 \ubb38\uc790\uc5f4\uc744 \ub2e4\ub8e8\ub294 \ud568\uc218\ub4e4 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 176<\/p>\n<p>11.9 \ud328\ud0a4\uc9c0 stringr\uc744 \ud65c\uc6a9\ud55c \ubb38\uc790\uc5f4 \uad00\ub9ac \u2026 \u2026 \u2026 \u2026 \u2026 . . 182<\/p>\n<p><strong>12 \uc815\uaddc\ud45c\ud604\uc2dd<\/strong><\/p>\n<p>12.1 R\uacfc \uc815\uaddc\ud45c\ud604\uc2dd \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 185<\/p>\n<p>12.2 \ud655\uc7a5\uc815\uaddc\ud45c\ud604\uc2dd(ERE; Extended Regular Expressions) \u2026 \u2026 . 186<\/p>\n<p><strong>13 \uc815\uaddc\ud45c\ud604\uc2dd\uc744 \ud65c\uc6a9\ud55c \ubb38\uc790\uc5f4 \ub370\uc774\ud130 \uac00\uacf5: \uac1c\ub150\uc801 \uc811\uadfc<\/strong><\/p>\n<p>13.1 \ud328\ud134\uacfc \uc77c\uce58\ud558\ub294 \ubd80\ubd84\uacfc \uad00\ub828\ub41c \uc815\ubcf4 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 200<\/p>\n<p>13.2 \ud328\ud134\uacfc \uc77c\uce58\ud558\ub294 \ubd80\ubd84\uc744 \ud65c\uc6a9\ud558\uc5ec \uac00\uacf5\ud558\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 200<\/p>\n<p><strong>14 \ud750\ub984 \uc81c\uc5b4\uc640 \ud568\uc218<\/strong><\/p>\n<p>14.1 \uc81c\uc5b4\ubb38: \uc870\uac74\uacfc \ubc18\ubcf5 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 201<\/p>\n<p>14.2 \ud568\uc218 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 209<\/p>\n<p><strong>15 1\ubcc0\uc218 \uae30\uc220 \ud1b5\uacc4\ub7c9<\/strong><\/p>\n<p>15.1 \uc9d1\uc911\uacbd\ud5a5\uce58 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 215<\/p>\n<p>15.2 \ubcc0\uc0b0\uc131 \uce21\uc815\uce58 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 216<\/p>\n<p>15.3 \ubc94\uc8fc\ud615, \uc21c\uc704\ud615 \ubcc0\uc218 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 217<\/p>\n<p><strong>16 \ub370\uc774\ud130 \ud504\ub808\uc784\uc758 \ubaa8\ub4e0 \ubcc0\uc218(\uceec\ub7fc)\uc5d0 \ub300\ud574 \uc694\uc57d\ud1b5\uacc4\uce58 \uad6c\ud558\uae30<\/strong><\/p>\n<p>16.1 \ud568\uc218 \ubaa9\ub85d\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4\u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 219<\/p>\n<p><strong>17 \uac04\ud3b8 \uc2dc\uac01\ud654<\/strong><\/p>\n<p>17.1 \uac04\ud3b8 \uc2dc\uac01\ud654\uc758 \uc608 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 222<\/p>\n<p><strong>18 ggplot2<\/strong><\/p>\n<p>18.1 \ub4e4\uc5b4\uac00\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 227<\/p>\n<p>18.2 \uc2dc\uac01\uc801 \ub9f5\ud551(Aesthetic mapping) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 229<\/p>\n<p>18.3 \uae30\ud558\ud559\uc801 \ub300\uc0c1(geom) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 248<\/p>\n<p>18.4 \ubcf4\uc870\uc120(Auxillary lines) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 257<\/p>\n<p>18.5 \uc88c\ud45c\uacc4(Coordinate system) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 259<\/p>\n<p>18.6 \ubc94\ub840(Legends) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 265<\/p>\n<p>18.7 \uc81c\ubaa9\uacfc \ud14c\ub9c8(Title and Theme) \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 267<\/p>\n<p>18.8 \uacb0\uacfc \uc815\ub9ac \ubc0f \uc800\uc7a5 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 273<\/p>\n<p>18.9 ggplot2(gg = Grammar of Graphics) \ucd1d\uc815\ub9ac \u2026 \u2026 \u2026 \u2026 275<\/p>\n<p><strong>19 \uc5f0\uc2b5\ubb38\uc81c \ud574\ub2f5<\/strong><\/p>\n<p>\ub370\uc774\ud130 \ubd88\ub7ec\ub4e4\uc774\uae30 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 279<\/p>\n<p>\uc81c\uc5b4\uc640 \ud568\uc218 I\u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 282<\/p>\n<p><strong>\ubd80\ub85d 1. R\uc5d0\uc11c \ud558\ub294 \ubca1\ud130\/\ud589\ub82c \uc5f0\uc0b0<\/strong><\/p>\n<p>\ubca1\ud130\uc5f0\uc0b0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 283<\/p>\n<p>\ud55c \ud589\ub82c \uc5f0\uc0b0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 283<\/p>\n<p>\ub450 \ud589\ub82c\uc758 \uc5f0\uc0b0 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . . 284<\/p>\n<p>\uc120\ud615(\ud589\ub82c) \ub300\uc218 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 \u2026 . 285<\/p>\n<p><strong>\ubd80\ub85d 2. R\uc758 \uc0c9<\/strong><\/p>\n<p><strong>\ubd80\ub85d 3. RStudio \uce58\ud2b8\uc2dc\ud2b8<\/strong><\/p>\n<hr \/>\n<p><strong>\uc628\ub77c\uc778 \uc11c\uc810 \uc0b4\ud3b4\ubcf4\uae30<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/www.yes24.com\/Product\/Goods\/69769006?\">\uc608\uc2a424<\/a><\/li>\n<li><a href=\"http:\/\/www.kyobobook.co.kr\/product\/detailViewKor.laf?mallGb=KOR&amp;ejkGb=KOR&amp;linkClass=&amp;barcode=9791196014476\">\uc778\ud130\ub137 \uad50\ubcf4\ubb38\uace0<\/a><\/li>\n<li><a href=\"https:\/\/www.aladin.co.kr\/shop\/wproduct.aspx?ISBN=K042534155&amp;start=pnaver_02\">\uc54c\ub77c\ub518<\/a><\/li>\n<li><a href=\"http:\/\/book.interpark.com\/product\/BookDisplay.do?_method=detail&amp;sc.prdNo=301742227\">\uc778\ud130\ud30c\ud06c \ub3c4\uc11c<\/a><\/li>\n<li><a href=\"http:\/\/www.ypbooks.co.kr\/book.yp?bookcd=100932184&amp;gubun=NV\">\uc601\ud48d\ubb38\uace0<\/a><\/li>\n<\/ul>\n<hr \/>\n<p>\ub354 \ube60\ub974\uac8c, \ub354 \uccb4\uacc4\uc801\uc73c\ub85c, \ub354 \uc644\ubcbd\ud558\uac8c,<br \/>\n\ub370\uc774\ud130 \ubd84\uc11d\uc744 \uc704\ud55c R\uc744 \ubc30\uc6b4\ub2e4!<\/p>\n<ul>\n<li>R \ucd5c\uc2e0 \ubc84\uc804 3.5.2(2018-12-20) \ubc18\uc601<\/li>\n<li>\ube45\ub370\uc774\ud130 \ubd84\uc11d\uc744 \uc704\ud55c \ucd5c\uc120\uc758 \uc120\ud0dd-<code>data.table<\/code> \ud328\ud0a4\uc9c0(\ucd5c\uc2e0\ubc84\uc804 1.12.0)\uc5d0 \ub300\ud55c \uc124\uba85 \uc218\ub85d<\/li>\n<li>RStudio\uc758 <code>ggplot2<\/code>(\ucd5c\uc2e0\ubc84\uc804 3.1.0) \ub4f1 \ud328\ud0a4\uc9c0 \uce58\ud2b8\uc2dc\ud2b8(cheatsheet) \uc218\ub85d<\/li>\n<li>\ubc31\uacfc\uc0ac\uc804\uc2dd\uc758 \ub098\uc5f4\uc774 \uc544\ub2c8\ub77c \uac1c\ub150 \uc911\uc2ec\uc758 \uccb4\uacc4\uc801\uc778 \uc774\ud574 \uc911\uc2dc<\/li>\n<li>\uc880 \ub354 \ud14c\ud06c\ub2c8\uceec\ud55c \uc2ec\uce35 \ud65c\uc6a9 \ubc29\ubc95\uacfc \uc624\ub958\ub97c \uc0ac\uc804\uc5d0 \ubc29\uc9c0\ud558\ub294 \ubc29\ubc95 \uc124\uba85<\/li>\n<li>\uac01\uc885 \ucc38\uace0 \uc790\ub8cc \ubc0f \ud45c \uc218\ub85d<\/li>\n<li>\ub2e4\uc591\ud55c \uc6d0\uc11c\uc758 \ub0b4\uc6a9 \uc885\ud569\n<ul>\n<li>Spector(2008). Data Manipulation with R.<\/li>\n<li>Kabacoff(2015). R in Action: Data Analysis and Graphics with R<\/li>\n<li>Wickham(2016). ggplot2: Elegant Graphics for Data Analysis.<\/li>\n<li>Lander(2017). R for Everyone: Advanced Analytics and Graphics.<\/li>\n<li>Wickham &amp; Grolemund(2017). R for Data Science.<\/li>\n<li>Van Der Loo &amp; De Jong(2018). Statistical Data Cleaning with Applications in R.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/buk.io\/@kb2183\">\uccb4\ud5d8\ud310<\/a><\/strong>\uc744 <strong><a href=\"http:\/\/buk.io\">buk.io<\/a><\/strong>\uc5d0\uc11c \uac04\ub2e8\ud558\uac8c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><a href=\"http:\/\/141.164.34.82\">\uc228\uc740\uc6d0\ub9ac DS<\/a><\/li>\n<li><a href=\"http:\/\/books.sumeun.org\">\uc228\uc740\uc6d0\ub9ac \uc2e0\uac04\uc18c\uc2dd<\/a><\/li>\n<li><a href=\"http:\/\/sumeun.org\">\uc228\uc740\uc6d0\ub9ac<\/a><\/li>\n<\/ul>\n<p>\uc2e4\uc2b5\uc6a9 \ud654\uc77c\uc740 \uc544\ub798\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><a href=\"http:\/\/141.164.34.82\/wp-content\/uploads\/2019\/02\/r-book-preproc-vis.zip\">r-book-preproc-vis<\/a><\/p>\n<hr \/>\n<p><a href=\"http:\/\/141.164.34.82\/?p=2069\">\uac1c\uc815\ud310(2\ud310)\uc774 \uace7 \ucd9c\uac04 \uc608\uc815\uc785\ub2c8\ub2e4. [\ub9c1\ud06c]<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\ub85c \ud558\ub294 \ube45\ub370\uc774\ud130 \ubd84\uc11d: \ub370\uc774\ud130 \uc804\ucc98\ub9ac\uc640 \uc2dc\uac01\ud654 \uc81c\ubaa9 : R\ub85c \ud558\ub294 \ube45\ub370\uc774\ud130 \ubd84\uc11d | \ucd9c\ud310\uc0ac : \uc228\uc740\uc6d0\ub9ac \uc9c0\uc74c : \uae40\uad8c\ud604 \/ \uac00\uaca9 : 25,000\uc6d0 \/ \ud310\ud615 : 175&#215;250 \ucabd\uc218 : 326\ucabd \/ \ubc1c\ud589\uc77c : 2019\ub144 3\uc6d4 1\uc77c \/ ISBN : 979-11-960144-7-6(93000) \uc774 \ucc45\uc740 \uc5b4\ub290 \uc815\ub3c4 \ud504\ub85c\uadf8\ub798\ubc0d \uacbd\ud5d8\uc774 \uc788\ub294 \ub3c5\uc790\ub97c \ub300\uc0c1\uc73c\ub85c, \uc624\ud508 \uc18c\uc2a4 \ub370\uc774\ud130 \ubd84\uc11d \ub3c4\uad6c\uc778 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":894,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[144,143,28,146,145],"tags":[147,148,149,150],"jetpack_featured_media_url":"http:\/\/ds.sumeun.org\/wp-content\/uploads\/2019\/02\/Sumeun_BigDataAnalysis_1447x645.png","_links":{"self":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/891"}],"collection":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=891"}],"version-history":[{"count":13,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/891\/revisions"}],"predecessor-version":[{"id":2083,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/posts\/891\/revisions\/2083"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=\/wp\/v2\/media\/894"}],"wp:attachment":[{"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=891"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ds.sumeun.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}