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R’deki bir veri \u00e7er\u00e7evesindeki birden \u00e7ok de\u011feri dplyr<\/a> paketindeki i\u015flevleri kullanarak de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz:<\/span><\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n R’de \u00e7e\u015fitli basketbol oyuncular\u0131 hakk\u0131nda bilgi i\u00e7eren a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n \u015eimdi veri \u00e7er\u00e7evesindeki a\u015fa\u011f\u0131daki de\u011ferleri de\u011fi\u015ftirmek istedi\u011fimizi varsayal\u0131m:<\/span><\/p>\n Bunu yapmak i\u00e7in mutate()<\/strong> ve recode()<\/strong> i\u015flevlerini kullanabiliriz:<\/span><\/p>\n “Conf” ve “position” s\u00fctunlar\u0131ndaki de\u011ferlerin her birinin belirli de\u011ferlerle de\u011fi\u015ftirildi\u011fini unutmay\u0131n.<\/span><\/p>\n Ayr\u0131ca “puan” s\u00fctunundaki de\u011ferlerin de\u011fi\u015fmedi\u011fini unutmay\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde dplyr kullan\u0131larak di\u011fer genel g\u00f6revlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n Dplyr kullanarak de\u011ferler nas\u0131l yeniden kodlan\u0131r<\/a> R’deki bir veri \u00e7er\u00e7evesindeki birden \u00e7ok de\u011feri dplyr paketindeki i\u015flevleri kullanarak de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz: library (dplyr) df %>% mutate(var1 = recode(var1, ‘ oldvalue1 ‘ = ‘ newvalue1 ‘, ‘ oldvalue2 ‘ = ‘ newvalue2 ‘), var2 = recode(var2, ‘ oldvalue1 ‘ = ‘ newvalue1 ‘, ‘ oldvalue2 ‘ = ‘ newvalue2 ‘)) […]<\/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-3280","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n library<\/span> (dplyr)\n\ndf %>%\n mutate(var1 = recode(var1, ' oldvalue1<\/span> ' = ' newvalue1<\/span> ', ' oldvalue2<\/span> ' = ' newvalue2<\/span> '), \n var2 = recode(var2, ' oldvalue1<\/span> ' = ' newvalue1<\/span> ', ' oldvalue2<\/span> ' = ' newvalue2<\/span> '))\n<\/strong><\/pre>\n \u00d6rnek: dplyr kullanarak birden \u00e7ok de\u011feri de\u011fi\u015ftirme<\/strong><\/span><\/h2>\n
#create data frame\ndf <- data. frame<\/span> (conf=c('East', 'East', 'West', 'West', 'North'),\n position=c('Guard', 'Guard', 'Guard', 'Guard', 'Forward'),\n dots=c(22, 25, 29, 13, 18))\n\n#view data frame\n<\/span>df\n\n conf position points\n1 East Guard 22\n2 East Guard 25\n3 West Guard 29\n4 West Guard 13\n5 North Forward 18<\/span><\/span><\/strong><\/pre>\n\n
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library<\/span> (dplyr)<\/span>\n\n#replace multiple values in conf and position columns<\/span>\ndf %>%\n mutate(conf = recode(conf, ' East<\/span> ' = ' E<\/span> ', ' West<\/span> ' = ' W<\/span> ', ' North<\/span> ' = ' N<\/span> '), \n position = recode(position, ' Guard<\/span> ' = ' G<\/span> ', ' Forward<\/span> ' = ' F<\/span> '))\n\n conf position points\n1EG 22\n2 EG 25\n3 WG 29\n4 WG 13\n5 NF 18\n<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
Dplyr’de NA’y\u0131 S\u0131f\u0131r ile nas\u0131l de\u011fi\u015ftirebilirim?<\/a>
Belirli bir dizeyi i\u00e7eren sat\u0131rlar\u0131 dplyr kullanarak nas\u0131l filtreleyebilirim?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"