<\/p>\n
Bir veri \u00e7er\u00e7evesinin bir s\u00fctunundaki benzersiz de\u011ferleri bulmak i\u00e7in R’deki benzersiz()<\/strong> i\u015flevini kullanabilirsiniz.<\/span><\/p>\n Bu e\u011fitimde, bu i\u015flevin a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle kullan\u0131lmas\u0131na ili\u015fkin birka\u00e7 \u00f6rnek sunulmaktad\u0131r:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod “ekip” s\u00fctununda benzersiz de\u011ferlerin nas\u0131l bulunaca\u011f\u0131n\u0131 g\u00f6sterir<\/span> :<\/span><\/p>\n “Noktalar” s\u00fctununda benzersiz de\u011ferler bulmak i\u00e7in benzer s\u00f6zdizimini kullanabiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, “puan” s\u00fctunundaki benzersiz de\u011ferlerin nas\u0131l bulunaca\u011f\u0131n\u0131 ve s\u0131ralanaca\u011f\u0131n\u0131 g\u00f6sterir<\/span> :<\/span><\/p>\n Ayr\u0131ca benzersiz de\u011ferleri azalan d\u00fczende de s\u0131ralayabiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, “puan” s\u00fctunundaki her benzersiz de\u011ferin say\u0131s\u0131n\u0131n nas\u0131l bulunaca\u011f\u0131n\u0131 ve say\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Sonu\u00e7tan \u015funlar\u0131 g\u00f6rebiliriz:<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’de di\u011fer yayg\u0131n i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n R’de COUNTIF i\u015flevi nas\u0131l \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r<\/a> Bir veri \u00e7er\u00e7evesinin bir s\u00fctunundaki benzersiz de\u011ferleri bulmak i\u00e7in R’deki benzersiz() i\u015flevini kullanabilirsiniz. Bu e\u011fitimde, bu i\u015flevin a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle kullan\u0131lmas\u0131na ili\u015fkin birka\u00e7 \u00f6rnek sunulmaktad\u0131r: #create data frame df <- data. frame (team=c(‘A’, ‘A’, ‘B’, ‘B’, ‘C’, ‘C’), points=c(90, 99, 90, 85, 90, 85), assists=c(33, 33, 31, 39, 34, 34), rebounds=c(30, 28, 24, 24, 28, […]<\/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-2297","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n #create data frame\n<\/span>df <- data. frame<\/span> (team=c('A', 'A', 'B', 'B', 'C', 'C'),\n points=c(90, 99, 90, 85, 90, 85),\n assists=c(33, 33, 31, 39, 34, 34),\n rebounds=c(30, 28, 24, 24, 28, 28))\n\n#view data frame\n<\/span>df\n\n team points assists rebounds\n1 A 90 33 30\n2 A 99 33 28\n3 B 90 31 24\n4 B 85 39 24\n5 C 90 34 28\n6 C 85 34 28\n<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 1: Bir s\u00fctunda benzersiz de\u011ferleri bulun<\/strong><\/span><\/h3>\n
#find unique values in 'team' column\n<\/span>single(df$team)\n\n[1] \u201cA\u201d \u201cB\u201d \u201cC\u201d\n<\/span><\/span><\/strong><\/pre>\n #find unique values in 'points' column\n<\/span>unique(df$points)\n\n[1] 90 99 85<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 2: Bir s\u00fctundaki benzersiz de\u011ferleri bulma ve s\u0131ralama<\/strong><\/span><\/h3>\n
#find and sort unique values in 'points' column<\/span>\nsort(single(df$points))\n\n[1] 85 90 99\n<\/span><\/span><\/strong><\/pre>\n #find and sort unique values in 'points' column\n<\/span>sort(unique(df$points), decreasing= TRUE<\/span> )\n\n[1] 99 90 85<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 3: S\u00fctundaki benzersiz de\u011ferleri bulun ve say\u0131n<\/strong><\/span><\/h3>\n
#find and count unique values in 'points' column\n<\/span>table(df$points)\n\n85 90 99 \n 2 3 1<\/span><\/span><\/strong><\/pre>\n\n
Ek kaynaklar<\/strong><\/span><\/h3>\n
R’de eksik de\u011ferler nas\u0131l bulunur ve say\u0131l\u0131r<\/a>
R’deki s\u00fctunlardaki olu\u015fum say\u0131s\u0131 nas\u0131l say\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"