<\/p>\n
R’de bir veri \u00e7er\u00e7evesindeki tek sat\u0131rlar\u0131 se\u00e7mek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz:<\/span><\/p>\n Y\u00f6ntem 1: T\u00fcm S\u00fctunlarda Tek Sat\u0131rlar\u0131 Se\u00e7in<\/strong><\/span><\/p>\n Y\u00f6ntem 2: Bir S\u00fctuna G\u00f6re Tek Sat\u0131rlar\u0131 Se\u00e7in<\/strong><\/span><\/p>\n Y\u00f6ntem 3: Birden \u00c7ok S\u00fctuna Dayal\u0131 Tek Sat\u0131rlar\u0131 Se\u00e7me<\/strong><\/span><\/p>\n Bu e\u011fitimde her y\u00f6ntemin pratikte a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evesindeki t\u00fcm s\u00fctunlarda benzersiz de\u011ferlere sahip sat\u0131rlar\u0131n nas\u0131l se\u00e7ilece\u011fini g\u00f6sterir:<\/span><\/p>\n Veri \u00e7er\u00e7evesinde be\u015f benzersiz sat\u0131r\u0131n oldu\u011funu g\u00f6rebiliriz.<\/span><\/p>\n Not<\/strong> : Yinelenen sat\u0131rlarla kar\u015f\u0131la\u015f\u0131ld\u0131\u011f\u0131nda yaln\u0131zca ilk benzersiz sat\u0131r korunur.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, yaln\u0131zca ekip<\/strong> s\u00fctununa g\u00f6re tek sat\u0131rlar\u0131n nas\u0131l se\u00e7ilece\u011fini g\u00f6sterir.<\/span><\/p>\n Tak\u0131m<\/strong> s\u00fctununda yaln\u0131zca iki benzersiz de\u011fer bulundu\u011fundan, her de\u011ferin yaln\u0131zca ilk ge\u00e7ti\u011fi sat\u0131rlar tutulur.<\/span><\/span><\/p>\n Not<\/strong> : .keep_all=TRUE<\/strong> arg\u00fcman\u0131 R’ye \u00e7\u0131kt\u0131daki di\u011fer t\u00fcm s\u00fctunlar\u0131 tutmas\u0131n\u0131 s\u00f6yler.<\/span><\/span><\/p>\n A\u015fa\u011f\u0131daki kod, yaln\u0131zca ekip<\/strong> ve konum<\/strong> s\u00fctunlar\u0131na g\u00f6re tek sat\u0131rlar\u0131n nas\u0131l se\u00e7ilece\u011fini g\u00f6sterir.<\/span><\/p>\n Tak\u0131m<\/strong> ve Pozisyon<\/strong> s\u00fctunlar\u0131nda d\u00f6rt benzersiz de\u011fer kombinasyonu bulundu\u011fundan d\u00f6rt sat\u0131r d\u00f6nd\u00fcr\u00fcl\u00fcr.<\/span><\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’de di\u011fer ortak g\u00f6revlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n Dplyr kullanarak benzersiz de\u011ferler nas\u0131l filtrelenir<\/a> R’de bir veri \u00e7er\u00e7evesindeki tek sat\u0131rlar\u0131 se\u00e7mek i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz: Y\u00f6ntem 1: T\u00fcm S\u00fctunlarda Tek Sat\u0131rlar\u0131 Se\u00e7in library (dplyr) df %>% distinct() Y\u00f6ntem 2: Bir S\u00fctuna G\u00f6re Tek Sat\u0131rlar\u0131 Se\u00e7in library (dplyr) df %>% distinct(column1, . keep_all = TRUE ) Y\u00f6ntem 3: Birden \u00c7ok S\u00fctuna Dayal\u0131 Tek Sat\u0131rlar\u0131 Se\u00e7me library (dplyr) df %>% distinct(column1, […]<\/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-3474","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n library<\/span> (dplyr)\n\ndf %>% distinct()<\/strong><\/pre>\n library<\/span> (dplyr)<\/span>\n\ndf %>% distinct(column1, . keep_all<\/span> = TRUE<\/span> )<\/span>\n<\/span><\/strong><\/pre>\n library<\/span> (dplyr)\n\ndf %>% distinct(column1, column2, . keep_all<\/span> = TRUE<\/span> )<\/span><\/span><\/strong><\/pre>\n #create data frame\ndf <- data. frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n position=c('G', 'G', 'F', 'F', 'G', 'G', 'F', 'F'),\n points=c(10, 10, 8, 14, 15, 15, 17, 17))\n<\/span>\n#view data frame\ndf\n\n team position points\n1 AG 10\n2 AG 10\n3AF 8\n4 AF 14\n5 BG 15\n6 BG 15\n7 BF 17\n8 BF 17\n<\/span><\/span><\/strong><\/span><\/pre>\n \u00d6rnek 1: T\u00fcm s\u00fctunlardaki benzersiz sat\u0131rlar\u0131 se\u00e7in<\/strong><\/span><\/h2>\n
library<\/span> (dplyr)<\/span>\n\n#select rows with unique values across all columns\ndf %>% distinct()\n\n team position points\n1 AG 10\n2AF 8\n3 AF 14\n4 BG 15\n5 BF 17\n<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 2: Bir S\u00fctuna G\u00f6re Tek Sat\u0131r Se\u00e7me<\/strong><\/span><\/h2>\n
library<\/span> (dplyr)\n\n#select rows with unique values based on team column only<\/span>\ndf %>% distinct(team, . keep_all<\/span> = TRUE<\/span> )\n\n team position points\n1 AG 10\n2 BG 15\n<\/strong><\/span><\/pre>\n \u00d6rnek 3: Birden \u00c7ok S\u00fctuna G\u00f6re Tek Sat\u0131r Se\u00e7me<\/strong><\/span><\/h2>\n
library<\/span> (dplyr)\n\n#select rows with unique values based on team and position columns only<\/span>\ndf %>% distinct(team, position, . keep_all<\/span> = TRUE<\/span> )\n\n team position points\n1 AG 10\n2AF 8\n3 BG 15\n4 BF 17\n<\/strong><\/span><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
Dplyr kullanarak birden \u00e7ok ko\u015fula g\u00f6re filtreleme nas\u0131l yap\u0131l\u0131r
R’deki s\u00fctunlardaki olu\u015fum say\u0131s\u0131 nas\u0131l say\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"