{"id":3280,"date":"2023-07-18T07:35:38","date_gmt":"2023-07-18T07:35:38","guid":{"rendered":"https:\/\/statorials.org\/ko\/dplyr%e1%84%85%e1%85%b3%e1%86%af-%e1%84%90%e1%85%a9%e1%86%bc%e1%84%92%e1%85%a2\/"},"modified":"2023-07-18T07:35:38","modified_gmt":"2023-07-18T07:35:38","slug":"dplyr%e1%84%85%e1%85%b3%e1%86%af-%e1%84%90%e1%85%a9%e1%86%bc%e1%84%92%e1%85%a2","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/dplyr%e1%84%85%e1%85%b3%e1%86%af-%e1%84%90%e1%85%a9%e1%86%bc%e1%84%92%e1%85%a2\/","title":{"rendered":"Dplyr\uc5d0\uc11c across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95(3\uac00\uc9c0 \uc608)"},"content":{"rendered":"

<\/p>\n

\n

R\uc758 dplyr<\/a> \ud328\ud0a4\uc9c0\uc5d0 \uc788\ub294 across()<\/a> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5ec\ub7ec \uc5f4\uc5d0 \ubcc0\ud658\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc218\ud788 \ub9ce\uc9c0\ub9cc<\/span> \ub2e4\uc74c \ubc29\ubc95\uc740 \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n

\ubc29\ubc95 1: \uc5ec\ub7ec \uc5f4\uc5d0 \ud568\uc218 \uc801\uc6a9<\/strong><\/span><\/p>\n

 #multiply values in col1 and col2 by 2<\/span>\ndf %>% \n  mutate(across(c(col1, col2), function<\/span> (x) x*2))\n<\/strong><\/pre>\n
 \ubc29\ubc95 2: \uc5ec\ub7ec \uc5f4\uc5d0 \ub300\ud55c \uc694\uc57d \ud1b5\uacc4 \uacc4\uc0b0<\/strong><\/span><\/p>\n
 #calculate mean of col1 and col2<\/span>\ndf %>%\n  summarise(across(c(col1, col2), mean, na. rm<\/span> = TRUE<\/span> ))\n<\/strong><\/pre>\n
 \ubc29\ubc95 3: \uc5ec\ub7ec \uc5f4\uc5d0 \ub300\ud55c \uc5ec\ub7ec \uc694\uc57d \ud1b5\uacc4 \uacc4\uc0b0<\/strong><\/span><\/p>\n
 #calculate mean and standard deviation for col1 and col2\n<\/span>df %>%\n  summarise(across(c(col1, col2), list(mean=mean, sd=sd), na. rm<\/span> = TRUE<\/span> ))\n<\/strong><\/pre>\n
 \ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \ub2e4\uc74c \ub370\uc774\ud130 \ud504\ub808\uc784\uc5d0\uc11c \uac01 \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 #create data frame\n<\/span>df <- data. frame<\/span> (conf=c('East', 'East', 'East', 'West', 'West', 'West'),\n                 points=c(22, 25, 29, 13, 22, 30),\n                 rebounds=c(12, 10, 6, 6, 8, 11))\n\n#view data frame\n<\/span>df\n\n  conf points rebounds\n1 East 22 12\n2 East 25 10\n3 East 29 6\n4 West 13 6\n5 West 22 8\n6 West 30 11<\/strong><\/pre>\n
 \uc608\uc2dc 1: \uc5ec\ub7ec \uc5f4\uc5d0 \ud568\uc218 \uc801\uc6a9<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ucf54\ub4dc\ub294 across()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud3ec\uc778\ud2b8<\/strong> \ubc0f \ub9ac\ubc14\uc6b4\ub4dc<\/strong> \uc5f4\uc758 \uac12\uc5d0 2\ub97c \uacf1\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#multiply values in points and rebounds columns by 2\n<\/span>df %>% \n  mutate(across(c(points, rebounds), function<\/span> (x) x*2))\n\n  conf points rebounds\n1 East 44 24\n2 East 50 20\n3 East 58 12\n4 West 26 12\n5 West 44 16\n6 West 60 22\n<\/strong><\/span><\/pre>\n
 \uc608 2: \uc5ec\ub7ec \uc5f4\uc5d0 \ub300\ud55c \uc694\uc57d \ud1b5\uacc4 \uacc4\uc0b0<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ucf54\ub4dc\ub294 across()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud3ec\uc778\ud2b8<\/strong> \ubc0f \ub9ac\ubc14\uc6b4\ub4dc<\/strong> \uc5f4\uc758 \ud3c9\uade0 \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#calculate mean value of points an rebounds columns\n<\/span>df %>%\n  summarise(across(c(points, rebounds), mean, na. rm<\/span> = TRUE<\/span> ))\n\n  rebound points\n1 23.5 8.833333<\/strong><\/pre>\n
 is.numeric<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ud504\ub808\uc784\uc758 \ubaa8\ub4e0 \uc22b\uc790 \uc5f4\uc5d0 \ub300\ud55c \uc694\uc57d \ud1b5\uacc4\ub97c \uc790\ub3d9\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#calculate mean value for every numeric column in data frame\n<\/span>df %>%\n  summarise(across(where(is. numeric<\/span> ), mean, na. rm<\/span> = TRUE<\/span> ))\n\n  rebound points\n1 23.5 8.833333\n<\/strong><\/pre>\n
 \uc608 3: \uc5ec\ub7ec \uc5f4\uc5d0 \ub300\ud55c \uc5ec\ub7ec \uc694\uc57d \ud1b5\uacc4 \uacc4\uc0b0<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ucf54\ub4dc\ub294 across()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud3ec\uc778\ud2b8<\/strong> \ubc0f \ub9ac\ubc14\uc6b4\ub4dc<\/strong> \uc5f4\uc758 \ud3c9\uade0 \ubc0f \ud45c\uc900 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#calculate mean and standard deviation for points and rebounds columns\n<\/span>df %>%\n  summarise(across(c(points, rebounds), list(mean=mean, sd=sd), na. rm<\/span> = TRUE<\/span> ))\n\n  points_mean points_sd rebounds_mean rebounds_sd\n1 23.5 6.156298 8.833333 2.562551<\/strong><\/pre>\n
 \ucc38\uace0<\/strong> : across()<\/strong> \ud568\uc218\uc5d0 \ub300\ud55c \uc804\uccb4 \ubb38\uc11c\ub294 \uc5ec\uae30\uc5d0\uc11c<\/a> \ucc3e\uc744 \uc218 \uc788\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 across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5ec\ub7ec \uc5f4\uc5d0 \ubcc0\ud658\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc218\ud788 \ub9ce\uc9c0\ub9cc \ub2e4\uc74c \ubc29\ubc95\uc740 \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ubc29\ubc95 1: \uc5ec\ub7ec \uc5f4\uc5d0 \ud568\uc218 \uc801\uc6a9 #multiply values in col1 and col2 by 2 df %>% mutate(across(c(col1, col2), function (x) x*2)) \ubc29\ubc95 2: \uc5ec\ub7ec \uc5f4\uc5d0 \ub300\ud55c \uc694\uc57d \ud1b5\uacc4 \uacc4\uc0b0 […]<\/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-3280","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"\ndplyr\uc5d0\uc11c across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95(3\uac00\uc9c0 \uc608) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uba87 \uac00\uc9c0 \uc608\uc640 \ud568\uaed8 dplyr\uc5d0\uc11c across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \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\u1105\u1173\u11af-\u1110\u1169\u11bc\u1112\u1162\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"dplyr\uc5d0\uc11c across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95(3\uac00\uc9c0 \uc608) \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uba87 \uac00\uc9c0 \uc608\uc640 \ud568\uaed8 dplyr\uc5d0\uc11c across() \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/ko\/dplyr\u1105\u1173\u11af-\u1110\u1169\u11bc\u1112\u1162\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-18T07:35:38+00:00\" \/>\n<meta name=\"author\" content=\"\ubca4\uc790\ubbfc \uc564\ub354\uc2a8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta 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