{"id":2120,"date":"2023-07-23T14:39:05","date_gmt":"2023-07-23T14:39:05","guid":{"rendered":"https:\/\/statorials.org\/ko\/r-%e1%84%80%e1%85%b3%e1%84%85%e1%85%ae%e1%86%b8%e1%84%87%e1%85%a7%e1%86%af-%e1%84%87%e1%85%b5%e1%86%ab%e1%84%83%e1%85%a9%e1%84%91%e1%85%ad\/"},"modified":"2023-07-23T14:39:05","modified_gmt":"2023-07-23T14:39:05","slug":"r-%e1%84%80%e1%85%b3%e1%84%85%e1%85%ae%e1%86%b8%e1%84%87%e1%85%a7%e1%86%af-%e1%84%87%e1%85%b5%e1%86%ab%e1%84%83%e1%85%a9%e1%84%91%e1%85%ad","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/r-%e1%84%80%e1%85%b3%e1%84%85%e1%85%ae%e1%86%b8%e1%84%87%e1%85%a7%e1%86%af-%e1%84%87%e1%85%b5%e1%86%ab%e1%84%83%e1%85%a9%e1%84%91%e1%85%ad\/","title":{"rendered":"R\uc5d0\uc11c \uadf8\ub8f9\ubcc4 \ube48\ub3c4\ud45c\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95"},"content":{"rendered":"

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dplyr<\/a> \ud328\ud0a4\uc9c0\uc758 \ub2e4\uc74c \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc5ec R\uc5d0\uc11c \uadf8\ub8f9\ubcc4 \ube48\ub3c4 \ud14c\uc774\ube14\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

 library<\/span> (dplyr)<\/span>\n\n<\/span>df %>%\n  group_by<\/span> (var1, var2) %>%\n  summarize<\/span> (Freq=n())\n<\/strong><\/pre>\n
 \ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uc2e4\uc81c\ub85c \uc774 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 \uc608: \uadf8\ub8f9\ubcc4 \ube48\ub3c4\ud45c \ub9cc\ub4e4\uae30<\/strong><\/span><\/h3>\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\n<\/span>df <- data. frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n                 position=c('G', 'G', 'G', 'F', 'G', 'F', 'F', 'C'))\n\n#view data frame\n<\/span>df\n\n  team position\n1 AG\n2 AG\n3 AG\n4 AF\n5 BG\n6 BF\n7 BF\n8 BC<\/strong><\/span><\/pre>\n
 \ud300\ubcc4\ub85c \uadf8\ub8f9\ud654\ud558\uc5ec \uac01 \uc9c1\uc704\uc758 \ube48\ub3c4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ube48\ub3c4 \ud14c\uc774\ube14\uc744 \uc0dd\uc131\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \uc774\ub97c \uc704\ud574 \ub2e4\uc74c \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 library<\/span> (dplyr)<\/span>\n\n#calculate frequency of position, grouped by team\ndf %>%<\/span>\ngroup_by<\/span> (team, position) %>%<\/span>\nsummarize<\/span> (Freq=n())\n<\/span><\/span>\n# A tibble: 5 x 3\n# Groups: team [2]\n  team position Freq\n       \n1 AF 1\n2 AG 3\n3 BC 1\n4 BF 2\n5 BG 1\n<\/strong><\/span><\/pre>\n
 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n