<\/p>\n
R’deki bir veri \u00e7er\u00e7evesindeki belirli bir dizeyi i\u00e7eren sat\u0131rlar\u0131 kald\u0131rmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n Bu e\u011fitimde, R’de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle bu s\u00f6zdiziminin pratik kullan\u0131m\u0131na ili\u015fkin birka\u00e7 \u00f6rnek sunulmaktad\u0131r:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, ekip s\u00fctununda “A” i\u00e7eren veri \u00e7er\u00e7evesindeki t\u00fcm sat\u0131rlar\u0131n nas\u0131l silinece\u011fini g\u00f6sterir:<\/span><\/p>\n Veya veri \u00e7er\u00e7evesinden konferans s\u00fctununda “Bat\u0131” ifadesini i\u00e7eren t\u00fcm sat\u0131rlar\u0131 kald\u0131rabiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, ekip s\u00fctununda “A” veya “B” i\u00e7eren veri \u00e7er\u00e7evesindeki t\u00fcm sat\u0131rlar\u0131n nas\u0131l silinece\u011fini g\u00f6sterir:<\/span><\/p>\n Ayr\u0131ca bir dize vekt\u00f6r\u00fc tan\u0131mlayabilir ve ard\u0131ndan tak\u0131m s\u00fctunundaki vekt\u00f6r dizelerinden herhangi birini i\u00e7eren veri \u00e7er\u00e7evesindeki t\u00fcm sat\u0131rlar\u0131 silebiliriz:<\/span><\/p>\n Her iki y\u00f6ntemin de ayn\u0131 sonuca yol a\u00e7t\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n R’deki NA’lar\u0131n bir k\u0131sm\u0131n\u0131 veya tamam\u0131n\u0131 i\u00e7eren sat\u0131rlar nas\u0131l silinir?<\/a> R’deki bir veri \u00e7er\u00e7evesindeki belirli bir dizeyi i\u00e7eren sat\u0131rlar\u0131 kald\u0131rmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz: df[!grepl(‘ string ‘, df$column),] Bu e\u011fitimde, R’de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle bu s\u00f6zdiziminin pratik kullan\u0131m\u0131na ili\u015fkin birka\u00e7 \u00f6rnek sunulmaktad\u0131r: #create data frame df <- data. frame (team=c(‘A’, ‘A’, ‘A’, ‘B’, ‘B’, ‘C’), conference=c(‘East’, ‘East’, ‘East’, ‘West’, ‘West’, ‘East’), dots=c(11, 8, 10, 6, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1646","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n df[!grepl(' string<\/span> ', df$column),]\n<\/strong><\/pre>\n #create data frame\n<\/span>df <- data. frame<\/span> (team=c('A', 'A', 'A', 'B', 'B', 'C'),\n conference=c('East', 'East', 'East', 'West', 'West', 'East'),\n dots=c(11, 8, 10, 6, 6, 5))\n\n#view data frame\n<\/span>df\n\n team conference points\n1 A East 11\n2 A East 8\n3 A East 10\n4 B West 6\n5 B West 6\n6 C East 5\n<\/strong><\/pre>\n \u00d6rnek 1: Belirli bir dize i\u00e7eren sat\u0131rlar\u0131 kald\u0131r\u0131n<\/strong><\/span><\/h3>\n
df[!grepl(' A<\/span> ', df$team),]\n\n team conference points\n4 B West 6\n5 B West 6\n6 C East 5\n<\/strong><\/pre>\n df[!grepl(' West<\/span> ', df$conference),]\n\n team conference points\n1 A East 11\n2 A East 8\n3 A East 10\n6 C East 5<\/strong><\/pre>\n \u00d6rnek 2: Listedeki Dize \u0130\u00e7eren Sat\u0131rlar\u0131 Kald\u0131rma<\/strong><\/span><\/h3>\n
df[!grepl(' A|B<\/span> ', df$team),]\n\n6 C East 5\n<\/strong><\/pre>\n #define vector of strings\n<\/span>remove <- c(' A<\/span> ', ' B<\/span> ')\n\n#remove rows that contain any string in the vector in the team column<\/span>\ndf[!grepl( paste<\/span> (remove, collapse=' |<\/span> '), df$team),]\n\n6 C East 5<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
R’de yinelenen sat\u0131rlar nas\u0131l kald\u0131r\u0131l\u0131r
R’de belirli sat\u0131rlar nas\u0131l toplan\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"