{"id":2913,"date":"2023-07-20T03:12:14","date_gmt":"2023-07-20T03:12:14","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-bulanik-eslestirme\/"},"modified":"2023-07-20T03:12:14","modified_gmt":"2023-07-20T03:12:14","slug":"rde-bulanik-eslestirme","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-bulanik-eslestirme\/","title":{"rendered":"R'de bulan\u0131k e\u015fle\u015ftirme nas\u0131l yap\u0131l\u0131r (\u00f6rnekle)"},"content":{"rendered":"

<\/p>\n

\n

\u00c7o\u011fu zaman, kusurlu \u015fekilde e\u015fle\u015fen dizelere dayal\u0131 olarak R’de iki veri k\u00fcmesini birle\u015ftirmek isteyebilirsiniz. Buna bazen bulan\u0131k e\u015fle\u015ftirme<\/strong> denir.<\/span><\/p>\n

R’de bulan\u0131k e\u015fle\u015ftirmeyi ger\u00e7ekle\u015ftirmenin en kolay yolu, fuzzyjoin<\/strong> paketindeki stringdist_join()<\/strong> i\u015flevini kullanmakt\u0131r.<\/span><\/p>\n

A\u015fa\u011f\u0131daki \u00f6rnekte bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131 g\u00f6sterilmektedir.<\/span><\/p>\n

\u00d6rnek: R’de bulan\u0131k e\u015fle\u015ftirme<\/strong><\/span><\/h3>\n

R’de \u00e7e\u015fitli basketbol tak\u0131mlar\u0131 hakk\u0131nda bilgi i\u00e7eren a\u015fa\u011f\u0131daki iki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/span><\/p>\n

 #create data frames<\/span>\ndf1 <- data. frame<\/span> (team=c('Mavericks', 'Nets', 'Warriors', 'Heat', 'Lakers'),\n                  points=c(99, 90, 104, 117, 100))\ndf2 <- data. frame<\/span> (team=c('Mavricks', 'Warrors', 'Heat', 'Netts', 'Kings', 'Lakes'),\n                  assists=c(22, 29, 17, 40, 32, 30))\n\n#view data frames\n<\/span>print<\/span> (df1)\n\n       team points\n1 Mavericks 99\n2 Nets 90\n3 Warriors 104\n4 Heat 117\n5 Lakers 100\n\nprint<\/span> (df2)\n\n      team assists\n1 Mavricks 22\n2 Warriors 29\n3 Heat 17\n4 Netts 40\n5 Kings 32\n6 Lakes 30\n<\/strong><\/pre>\n
 \u015eimdi, ilk veri \u00e7er\u00e7evesindeki t\u00fcm sat\u0131rlar\u0131 tuttu\u011fumuz ve bunlar\u0131 ikinci veri \u00e7er\u00e7evesinde en \u00e7ok e\u015fle\u015fen tak\u0131m ad\u0131na g\u00f6re birle\u015ftirdi\u011fimiz bir sol birle\u015ftirme<\/strong> yapmak istedi\u011fimizi varsayal\u0131m.<\/span><\/p>\n
 Bunu yapmak i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n
 library<\/span> (fuzzyjoin)\nlibrary<\/span> (dplyr)\n\n#perform fuzzy matching left join\n<\/span>stringdist_join(df1, df2, \n                by=' team<\/span> ', #match based on team<\/span>\n                mode=' left<\/span> ', #use left join<\/span>\n                method = \" jw<\/span> \", #use jw distance metric<\/span>\n                max_dist=99, \n                distance_col=' dist<\/span> ') %>%\n  group_by(team.x) %>%\n  slice_min(order_by=dist, n= 1<\/span> )\n\n# A tibble: 5 x 5\n# Groups: team.x [5]\n  team.x points team.y assists dist\n                 \n1 Heat 117 Heat 17 0     \n2 Lakers 100 Lakes 30 0.0556\n3 Mavericks 99 Mavricks 22 0.0370\n4 Nets 90 Nets 40 0.0667\n5 Warriors 104 Warriors 29 0.0417\n<\/strong><\/span><\/pre>\n
 Sonu\u00e7, ilk veri \u00e7er\u00e7evesindeki orijinal be\u015f tak\u0131m ad\u0131n\u0131n her birini ve ayr\u0131ca ikinci veri \u00e7er\u00e7evesiyle en yak\u0131ndan e\u015fle\u015fen tak\u0131m\u0131 i\u00e7eren bir veri \u00e7er\u00e7evesidir.<\/span><\/p>\n
 Not #1<\/strong> : E\u015fle\u015ftirme i\u00e7in jw<\/strong> mesafe \u00f6l\u00e7\u00fcs\u00fcn\u00fc kullanmay\u0131 se\u00e7iyoruz. Bu, iki dizi aras\u0131ndaki fark\u0131 \u00f6l\u00e7en bir \u00f6l\u00e7\u00fcm olan Jaro-Winkler mesafesinin<\/a> k\u0131saltmas\u0131d\u0131r.<\/span><\/p>\n
 Not #2:<\/strong> Yaln\u0131zca ilk veri \u00e7er\u00e7evesindeki tak\u0131m ad\u0131yla en yak\u0131ndan e\u015fle\u015fen ikinci veri \u00e7er\u00e7evesindeki tak\u0131m ad\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemek i\u00e7in dplyr paketindeki dilim_min()<\/strong> i\u015flevini kulland\u0131k.<\/span><\/p>\n
 Ek kaynaklar<\/strong><\/span><\/h3>\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’de birden fazla veri \u00e7er\u00e7evesi nas\u0131l birle\u015ftirilir<\/a>
R’de birden \u00e7ok s\u00fctuna dayal\u0131 veri \u00e7er\u00e7eveleri nas\u0131l birle\u015ftirilir<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u00c7o\u011fu zaman, kusurlu \u015fekilde e\u015fle\u015fen dizelere dayal\u0131 olarak R’de iki veri k\u00fcmesini birle\u015ftirmek isteyebilirsiniz. Buna bazen bulan\u0131k e\u015fle\u015ftirme denir. R’de bulan\u0131k e\u015fle\u015ftirmeyi ger\u00e7ekle\u015ftirmenin en kolay yolu, fuzzyjoin paketindeki stringdist_join() i\u015flevini kullanmakt\u0131r. A\u015fa\u011f\u0131daki \u00f6rnekte bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131 g\u00f6sterilmektedir. \u00d6rnek: R’de bulan\u0131k e\u015fle\u015ftirme R’de \u00e7e\u015fitli basketbol tak\u0131mlar\u0131 hakk\u0131nda bilgi i\u00e7eren a\u015fa\u011f\u0131daki iki veri \u00e7er\u00e7evesine sahip […]<\/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-2913","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nR'de Bulan\u0131k E\u015fle\u015ftirme Nas\u0131l Yap\u0131l\u0131r (\u00d6rnekle) - Statoryaller<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, R'deki iki veri k\u00fcmesi aras\u0131nda bulan\u0131k e\u015fle\u015fmenin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/rde-bulanik-eslestirme\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R'de Bulan\u0131k E\u015fle\u015ftirme Nas\u0131l Yap\u0131l\u0131r (\u00d6rnekle) - 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