{"id":3409,"date":"2023-07-17T15:21:19","date_gmt":"2023-07-17T15:21:19","guid":{"rendered":"https:\/\/statorials.org\/ko\/dplyr-na%e1%84%85%e1%85%b3%e1%86%af-%e1%84%86%e1%85%a2%e1%84%8e%e1%85%a6%e1%84%85%e1%85%a9-%e1%84%80%e1%85%ad%e1%84%8e%e1%85%a6\/"},"modified":"2023-07-17T15:21:19","modified_gmt":"2023-07-17T15:21:19","slug":"dplyr-na%e1%84%85%e1%85%b3%e1%86%af-%e1%84%86%e1%85%a2%e1%84%8e%e1%85%a6%e1%84%85%e1%85%a9-%e1%84%80%e1%85%ad%e1%84%8e%e1%85%a6","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/dplyr-na%e1%84%85%e1%85%b3%e1%86%af-%e1%84%86%e1%85%a2%e1%84%8e%e1%85%a6%e1%84%85%e1%85%a9-%e1%84%80%e1%85%ad%e1%84%8e%e1%85%a6\/","title":{"rendered":"Dplyr\uc5d0\uc11c na\ub97c \ud3c9\uade0\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\ub2e4\uc74c \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 R\uc758 <strong>dplyr<\/strong> \ubc0f <strong>Tidyr<\/strong> \ud328\ud0a4\uc9c0 \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ubc14\uafc0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ubc29\ubc95 1: NA \uac12\uc744 \uc5f4\uc758 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(col1, ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>\ubc29\ubc95 2: \uc5ec\ub7ec \uc5f4\uc758 NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(c(col1, col2), ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>\ubc29\ubc95 3: \ubaa8\ub4e0 \uc22b\uc790 \uc5f4\uc758 NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \ub2e4\uc74c \ub370\uc774\ud130 \ud504\ub808\uc784\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2e4\uc81c\ub85c \uac01 \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (player=c('A', 'B', 'C', 'D', 'E'),\n                 points=c(17, 13, NA, 9, 25),\n                 rebounds=c(3, 4, NA, NA, 8),\n                 blocks=c(1, 1, 2, 4, NA))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C NA NA 2\n4 D 9 NA 4\n5 E 25 8 NA\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>\uc608\uc2dc 1: NA \uac12\uc744 \uc5f4\uc758 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub294 <strong>\ud3ec\uc778\ud2b8<\/strong> \uc5f4\uc758 NA \uac12\uc744 <strong>\ud3ec\uc778\ud2b8<\/strong> \uc5f4\uc758 \ud3c9\uade0 \uac12\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\">#replace NA values in points column with mean of points column\n<span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(points, ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C 16 NA 2\n4 D 9 NA 4\n5 E 25 8 NA<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>\ud3ec\uc778\ud2b8<\/strong> \uc5f4\uc758 \ud3c9\uade0\uac12\uc774 16\uc774\uc5c8\uc73c\ubbc0\ub85c <strong>\ud3ec\uc778\ud2b8<\/strong> \uc5f4\uc758 NA \uac12\uc774 16\uc73c\ub85c \ub300\uccb4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub2e4\ub978 \ubaa8\ub4e0 \uc5f4\uc740 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uc608\uc2dc 2: \uc5ec\ub7ec \uc5f4\uc758 NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub294 <strong>\ud3ec\uc778\ud2b8<\/strong> \ubc0f <strong>\ube14\ub85d<\/strong> \uc5f4\uc758 NA \uac12\uc744 \ud574\ub2f9 \uc5f4 \ud3c9\uade0\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\"><span style=\"font-size: 15px; color: #008080;\">#replace NA values in points and blocks columns with their<\/span> <span style=\"color: #008080;\"><span style=\"font-size: 15px;\">respective<\/span><\/span> <span style=\"font-size: 15px; color: #008080;\">means\n<\/span><span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(c(points, blocks), ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span><span style=\"color: #000000;\">\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C 16 NA 2\n4 D 9 NA 4\n5 E 25 8 2<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\"><strong>\ud3ec\uc778\ud2b8<\/strong> \ubc0f <strong>\ube14\ub85d<\/strong> \uc5f4\uc758 NA \uac12\uc740 \ubaa8\ub450 \ud574\ub2f9 \uc5f4 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uc608\uc2dc 3: \ubaa8\ub4e0 \uc22b\uc790 \uc5f4\uc5d0\uc11c NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub294 \uac01 \uc22b\uc790 \uc5f4\uc758 NA \uac12\uc744 \ud574\ub2f9 \ud3c9\uade0\uac12\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\"><span style=\"font-size: 15px; color: #008080;\">#replace NA values in all numeric columns with their<\/span> <span style=\"font-size: 15px;\">respective<\/span> <span style=\"font-size: 15px; color: #008080;\">means\n<\/span><span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), ~replace_na(., mean(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span><span style=\"color: #000000;\"><span style=\"color: #008080;\">\n#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C 16 5 2\n4 D 9 5 4\n5 E 25 8 2<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ubaa8\ub4e0 \uc22b\uc790 \uc5f4\uc758 NA \uac12\uc740 \ud574\ub2f9 \uc5f4 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc22b\uc790\uac00 \uc544\ub2cc \uc720\uc77c\ud55c \uc5f4 <strong>(\ud50c\ub808\uc774\uc5b4)<\/strong> \uc740 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 dplyr\uc5d0\uc11c \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ko\/dplyr-\u1106\u116e\u11ab\u110c\u1161\u110b\u1167\u11af\u110b\u1173\u11af-\u1111\u1169\u1112\u1161\u11b7\u1112\u1161\u1102\u1173\u11ab-\u1111\u1175\u11af\u1110\u1165-\u1105\u1161\u110b\u1175\u11ab\/\" target=\"_blank\" rel=\"noopener\">dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ubb38\uc790\uc5f4\uc774 \ud3ec\ud568\ub41c \ud589\uc744 \ud544\ud130\ub9c1\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/dplyr-\u1109\u1161\u11bc\u1103\u1162-\u110c\u116e\u1111\u1161\u1109\u116e\/\" target=\"_blank\" rel=\"noopener\">dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0c1\ub300 \ube48\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/dplyr-\u1100\u1173\u1105\u116e\u11b8\u110b\u1174-\u110e\u1165\u11ba-\u1107\u1165\u11ab\u110d\u1162-\u110c\u116e\u11af\u110b\u1173\u11af-\u1109\u1165\u11ab\u1110\u1162\u11a8\u1112\u1161\u1109\u1175\u11b8\u1109\u1175\u110b\u1169.\/\" target=\"_blank\" rel=\"noopener\">dplyr\uc744 \uc0ac\uc6a9\ud558\uc5ec \uadf8\ub8f9\ubcc4\ub85c \uccab \ubc88\uc9f8 \ud589\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub2e4\uc74c \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 R\uc758 dplyr \ubc0f Tidyr \ud328\ud0a4\uc9c0 \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ubc14\uafc0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc29\ubc95 1: NA \uac12\uc744 \uc5f4\uc758 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4 df %&gt;% mutate(across(col1, ~replace_na(., mean(., na. rm = TRUE )))) \ubc29\ubc95 2: \uc5ec\ub7ec \uc5f4\uc758 NA \uac12\uc744 \ud3c9\uade0\uc73c\ub85c \ub300\uccb4 df %&gt;% mutate(across(c(col1, col2), ~replace_na(., mean(., na. rm = TRUE )))) \ubc29\ubc95 3: \ubaa8\ub4e0 [&hellip;]<\/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-3409","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>dplyr\uc5d0\uc11c NA\ub97c \ud3c9\uade0\uc73c\ub85c \ubc14\uafb8\ub294 \ubc29\ubc95 - Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 NA \uac12\uc744 dplyr\uc758 \ud3c9\uade0 \uac12\uc73c\ub85c \ubc14\uafb8\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, 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