<\/p>\n
R’de bir veri \u00e7er\u00e7evesinin birden \u00e7ok s\u00fctunundaki benzersiz sat\u0131rlar\u0131 bulmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz:<\/span><\/p>\n Y\u00f6ntem 1: Birden \u00e7ok s\u00fctundaki benzersiz sat\u0131rlar\u0131 bulun (di\u011fer s\u00fctunlar\u0131 kald\u0131r\u0131n)<\/strong><\/span><\/p>\n Y\u00f6ntem 2: Birden \u00e7ok s\u00fctundaki benzersiz sat\u0131rlar\u0131 bulun (di\u011fer s\u00fctunlar\u0131 koruyun)<\/strong><\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler, bu y\u00f6ntemlerin her birinin pratikte a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evesinin conf<\/strong> ve pos<\/strong> s\u00fctunlar\u0131ndaki benzersiz sat\u0131rlar\u0131n nas\u0131l bulunaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Sonu\u00e7 d\u00f6rt benzersiz \u00e7izgidir.<\/span><\/p>\n Ayr\u0131ca puan<\/strong> s\u00fctununun sonu\u00e7lardan otomatik olarak kald\u0131r\u0131ld\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evesinin conf<\/strong> ve pos<\/strong> s\u00fctunlar\u0131ndaki tek sat\u0131rlar\u0131n nas\u0131l bulunaca\u011f\u0131n\u0131 ve de\u011ferlerin puan<\/strong> s\u00fctununda nas\u0131l tutulaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Conf<\/strong> ve pos<\/strong> s\u00fctunlar\u0131nda yaln\u0131zca tek sat\u0131rlar\u0131n bulundu\u011funu ve puan<\/strong> s\u00fctunundaki de\u011ferlerin korundu\u011funu unutmay\u0131n.<\/span><\/p>\n Yaln\u0131zca ilk benzersiz olu\u015fumun de\u011ferinin korundu\u011funa dikkat etmek \u00f6nemlidir.<\/span><\/p>\n \u00d6rne\u011fin, ilk iki s\u00fctunda “Do\u011fu” ve “G”yi i\u00e7eren iki sat\u0131r vard\u0131, ancak son veri \u00e7er\u00e7evesinde yaln\u0131zca bu benzersiz kombinasyonun ilk olu\u015fumuna ili\u015fkin puan de\u011feri (33) tutuldu.<\/span><\/p>\n Benzer \u015fekilde, ilk iki s\u00fctunda “Bat\u0131” ve “F” i\u00e7eren iki sat\u0131r vard\u0131, ancak son veri \u00e7er\u00e7evesinde yaln\u0131zca bu benzersiz kombinasyonun ilk olu\u015fumuna ili\u015fkin puan de\u011feri (34) tutuldu.<\/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 R’deki bir s\u00fctunda benzersiz de\u011ferler nas\u0131l bulunur?<\/a> R’de bir veri \u00e7er\u00e7evesinin birden \u00e7ok s\u00fctunundaki benzersiz sat\u0131rlar\u0131 bulmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz: Y\u00f6ntem 1: Birden \u00e7ok s\u00fctundaki benzersiz sat\u0131rlar\u0131 bulun (di\u011fer s\u00fctunlar\u0131 kald\u0131r\u0131n) df_unique <- unique(df[c(‘ col1 ‘, ‘ col2 ‘)]) Y\u00f6ntem 2: Birden \u00e7ok s\u00fctundaki benzersiz sat\u0131rlar\u0131 bulun (di\u011fer s\u00fctunlar\u0131 koruyun) df_unique <- df[!duplicated(df[c(‘ col1 ‘, ‘ col2 ‘)]),] A\u015fa\u011f\u0131daki \u00f6rnekler, bu […]<\/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-3093","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n df_unique <- unique(df[c(' col1<\/span> ', ' col2<\/span> ')])\n<\/strong><\/pre>\n df_unique <- df[!duplicated(df[c(' col1<\/span> ', ' col2<\/span> ')]),]\n<\/strong><\/pre>\n #create data frame\n<\/span>df <- data. frame<\/span> (conf=c('East', 'East', 'East', 'West', 'West', 'West'),\n pos=c('G', 'G', 'F', 'G', 'F', 'F'),\n dots=c(33, 28, 31, 39, 34, 40))\n\n#view data frame<\/span>\ndf\n\n conf pos points\n1 East G 33\n2 East G 28\n3 East F 31\n4 West G 39\n5 West F 34\n6 West F 40\n<\/span><\/strong><\/pre>\n Y\u00f6ntem 1: Birden \u00e7ok s\u00fctundaki benzersiz sat\u0131rlar\u0131 bulun (di\u011fer s\u00fctunlar\u0131 kald\u0131r\u0131n)<\/strong><\/span><\/h3>\n
#find unique rows across conf and pos columns\n<\/span>df_unique <- unique(df[c(' conf<\/span> ', ' pos<\/span> ')])\n\n#view results\n<\/span>df_unique \n\n conf pos\n1 East G\n3 East\n4 West G\n5 West\n<\/span><\/span><\/strong><\/pre>\n Y\u00f6ntem 2: Birden \u00c7ok S\u00fctundaki Tek Sat\u0131rlar\u0131 Bul (Di\u011fer S\u00fctunlar\u0131 Kald\u0131r)<\/strong><\/span><\/h3>\n
#find unique rows across conf and pos columns\n<\/span>df_unique <- df[!duplicated(df[c(' conf<\/span> ', ' pos<\/span> ')]),]\n\n#view results\n<\/span>df_unique \n\n conf pos points\n1 East G 33\n3 East F 31\n4 West G 39\n5 West F 34\n<\/span><\/span><\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
R’de gruba g\u00f6re benzersiz de\u011ferler nas\u0131l say\u0131l\u0131r?<\/a>
Dplyr kullanarak benzersiz de\u011ferler nas\u0131l filtrelenir<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"