{"id":3473,"date":"2023-07-17T07:15:39","date_gmt":"2023-07-17T07:15:39","guid":{"rendered":"https:\/\/statorials.org\/ko\/dplyr-%e1%84%87%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a1%e1%86%b8\/"},"modified":"2023-07-17T07:15:39","modified_gmt":"2023-07-17T07:15:39","slug":"dplyr-%e1%84%87%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a1%e1%86%b8","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/dplyr-%e1%84%87%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a1%e1%86%b8\/","title":{"rendered":"Dplyr\uc5d0\uc11c coalesce() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95(\uc608\uc81c \ud3ec\ud568)"},"content":{"rendered":"

<\/p>\n

\n

R\uc758 dplyr<\/a> \ud328\ud0a4\uc9c0\uc5d0 \uc788\ub294 coalesce()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud558\ub098 \uc774\uc0c1\uc758 \ubca1\ud130\uc758 \uac01 \uc704\uce58\uc5d0\uc11c \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc744 \ubc18\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\ub294 \ub450 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/span><\/p>\n

\ubc29\ubc95 1: \ubca1\ud130\uc758 \ub204\ub77d\ub41c \uac12 \ub300\uccb4<\/strong><\/span><\/p>\n

 library<\/span> (dplyr)<\/span>\n\n#replace missing values with 100\n<\/span>coalescence(x, 100)\n<\/strong><\/pre>\n
 \ubc29\ubc95 2: \ub370\uc774\ud130 \ud504\ub808\uc784 \uc5f4\uc5d0\uc11c \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#return first non-missing value at each position across columns A and B<\/span>\ncoalesce(df$A, df$B)<\/strong>\n<\/pre>\n
 \ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uac01 \ubc29\ubc95\uc744 \uc2e4\uc81c\ub85c \uc801\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 \uc608\uc2dc 1: coalesce()\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubca1\ud130\uc758 \ub204\ub77d\ub41c \uac12 \ub300\uccb4<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ucf54\ub4dc\ub294 coalesce()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubca1\ud130\uc758 \ubaa8\ub4e0 \ub204\ub77d\ub41c \uac12\uc744 \uac12 100\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#create vector of values\n<\/span>x <- c(4, NA, 12, NA, 5, 14, 19)\n\n#replace missing values with 100\n<\/span>coalescence(x, 100)\n\n[1] 4 100 12 100 5 14 19\n<\/strong><\/pre>\n
 \uc6d0\ubcf8 \ubca1\ud130\uc758 \uac01 NA<\/strong> \uac12\uc740 100<\/strong> \uac12\uc73c\ub85c \ub300\uccb4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \uc608\uc81c 2:<\/strong><\/span> coalesce()\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ud504\ub808\uc784 \uc5f4\uc5d0\uc11c \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12 \ubc18\ud658<\/strong><\/span><\/h2>\n
 R\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130 \ud504\ub808\uc784\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n
 #create data frame\ndf <- data. frame<\/span> (A=c(10, NA, 5, 6, NA, 7, NA),\n                 B=c(14, 9, NA, 3, NA, 10, 4))<\/span>\n\n#view data frame\ndf\n\n   AB\n1 10 14\n2 NA 9\n3 5 NA\n4 6 3\n5 NA NA\n6 7 10\n7 NA 4\n<\/span><\/span><\/strong><\/span><\/pre>\n
 \ub2e4\uc74c \ucf54\ub4dc\ub294 coalesce()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ud504\ub808\uc784\uc758 A \uc5f4\uacfc B \uc5f4\uc5d0 \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc744 \ubc18\ud658\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#create new column that coalesces values from columns A and B\ndf$C <- coalesce(df$A, df$B)\n<\/span>\n#view updated data frame\ndf\n\n   ABC\n1 10 14 10\n2 NA 9 9\n3 5 NA 5\n4 6 3 6\n5 NA NA NA\n6 7 10 7\n7 NA 4 4<\/span><\/span><\/strong><\/span><\/pre>\n
 \uacb0\uacfc \uc5f4 C\uc5d0\ub294 \uc5f4 A\uc640 B\uc758 \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/span><\/p>\n
 A\uc5f4\uacfc B\uc5f4 \ubaa8\ub450 \uc774 \ud589\uc5d0 NA \uac12\uc774 \uc788\uc73c\ubbc0\ub85c 5\ud589\uc758 C\uc5f4\uc5d0\ub294 NA \uac12\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/span><\/p>\n
 \uac01 \uc5f4\uc5d0 NA \uac12\uc774 \uc788\ub294 \uacbd\uc6b0 coalesce()<\/strong> \ud568\uc218\uc5d0 \ucd94\uac00 \uac12\uc744 \ucd94\uac00\ud558\uc5ec \uac12\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#create new column that coalesces values from columns A and B\ndf$C <- coalesce(df$A, df$B, 100)\n<\/span>\n#view updated data frame\ndf\n\n   ABC\n1 10 14 10\n2 NA 9 9\n3 5 NA 5\n4 6 3 6\n5 NA NA 100\n6 7 10 7\n7 NA 4 4\n<\/span><\/span><\/strong><\/span><\/pre>\n
 \uc774\uc81c C\uc5f4 5\ud589\uc758 NA \uac12\uc774 100<\/strong> \uac12\uc73c\ub85c \ub300\uccb4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n
 dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\uc744 \uc0ad\uc81c\ud558\ub294 \ubc29\ubc95<\/a>
 dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud589\uc744 \uc815\ub82c\ud558\ub294 \ubc29\ubc95<\/a>
 dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5ec\ub7ec \uc870\uac74\uc73c\ub85c \ud544\ud130\ub9c1\ud558\ub294 \ubc29\ubc95<\/p>\n","protected":false},"excerpt":{"rendered":"
R\uc758 dplyr \ud328\ud0a4\uc9c0\uc5d0 \uc788\ub294 coalesce() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud558\ub098 \uc774\uc0c1\uc758 \ubca1\ud130\uc758 \uac01 \uc704\uce58\uc5d0\uc11c \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc744 \ubc18\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\ub294 \ub450 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ubc29\ubc95 1: \ubca1\ud130\uc758 \ub204\ub77d\ub41c \uac12 \ub300\uccb4 library (dplyr) #replace missing values with 100 coalescence(x, 100) \ubc29\ubc95 2: \ub370\uc774\ud130 \ud504\ub808\uc784 \uc5f4\uc5d0\uc11c \ub204\ub77d\ub418\uc9c0 \uc54a\uc740 \uccab \ubc88\uc9f8 \uac12\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. library […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-3473","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"\ndplyr\uc5d0\uc11c coalesce() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95(\uc608\uc81c \ud3ec\ud568) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc758 dplyr\uc5d0\uc11c coalesce() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uba87 \uac00\uc9c0 \uc608\uc640 \ud568\uaed8 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/ko\/dplyr-\u1107\u1167\u11bc\u1112\u1161\u11b8\/\" \/>\n<meta property=\"og:locale\" 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