<\/p>\n
Gecikme de\u011ferlerini hesaplamak i\u00e7in R’deki dplyr<\/a> paketindeki lag()<\/strong> i\u015flevini kullanabilirsiniz.<\/span><\/p>\n Bu i\u015flev a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullan\u0131r:<\/span><\/p>\n ofset(x, n=1, \u2026)<\/span><\/strong><\/p>\n Alt\u0131n:<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnek, pratikte kayd\u0131r\u0131lan de\u011ferleri hesaplamak i\u00e7in bu fonksiyonun nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n R’de bir ma\u011fazan\u0131n art arda 10 g\u00fcn boyunca yapt\u0131\u011f\u0131 sat\u0131\u015f say\u0131s\u0131n\u0131 g\u00f6steren a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n Her sat\u0131rda \u00f6nceki g\u00fcn\u00fcn sat\u0131\u015flar\u0131n\u0131 g\u00f6r\u00fcnt\u00fcleyen bir gecikme s\u00fctunu olu\u015fturmak i\u00e7in dplyr paketindeki lag()<\/strong> i\u015flevini kullanabiliriz:<\/span><\/p>\n Sonucun nas\u0131l yorumlanaca\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n Ve benzeri.<\/span><\/p>\n Farkl\u0131 say\u0131daki \u00f6nceki konumlar i\u00e7in bir gecikme de\u011feri hesaplamak amac\u0131yla lag()<\/strong> i\u015flevindeki n<\/strong> arg\u00fcman\u0131n\u0131n de\u011ferini de de\u011fi\u015ftirebiliriz:<\/span><\/p>\n Not<\/strong> : Bir \u00f6nc\u00fc s\u00fctun olu\u015fturmak i\u00e7in lag()<\/strong> i\u015flevi yerine dplyr paketindeki lead()<\/strong> i\u015flevini kullan\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’deki di\u011fer yayg\u0131n i\u015flevlerin nas\u0131l kullan\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n Dplyr’de n() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a> Gecikme de\u011ferlerini hesaplamak i\u00e7in R’deki dplyr paketindeki lag() i\u015flevini kullanabilirsiniz. Bu i\u015flev a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullan\u0131r: ofset(x, n=1, \u2026) Alt\u0131n: x : de\u011ferlerin vekt\u00f6r\u00fc n : geciktirilecek konum say\u0131s\u0131 A\u015fa\u011f\u0131daki \u00f6rnek, pratikte kayd\u0131r\u0131lan de\u011ferleri hesaplamak i\u00e7in bu fonksiyonun nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek: R’de Kayd\u0131r\u0131lm\u0131\u015f De\u011ferlerin Hesaplanmas\u0131 R’de bir ma\u011fazan\u0131n art arda 10 g\u00fcn boyunca yapt\u0131\u011f\u0131 […]<\/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-3996","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n\n
\u00d6rnek: R’de Kayd\u0131r\u0131lm\u0131\u015f De\u011ferlerin Hesaplanmas\u0131<\/strong><\/span><\/h2>\n
#create data frame\n<\/span>df <- data. frame<\/span> (day=1:10,\n sales=c(18, 10, 14, 13, 19, 24, 25, 29, 15, 18))\n\n#view data frame\n<\/span>df\n\n day sales\n1 1 18\n2 2 10\n3 3 14\n4 4 13\n5 5 19\n6 6 24\n7 7 25\n8 8 29\n9 9 15\n10 10 18<\/strong><\/span><\/pre>\n library<\/span> (dplyr)\n\n#add new column that shows sales for previous day\n<\/span>df$previous_day_sales <- dplyr::lag(df$sales, n= 1<\/span> )\n\n#view updated data frame\n<\/span>df\n\n day sales previous_day_sales\n1 1 18 NA\n2 2 10 18\n3 3 14 10\n4 4 13 14\n5 5 19 13\n6 6 24 19\n7 7 25 24\n8 8 29 25\n9 9 15 29\n10 10 18 15<\/strong><\/span><\/pre>\n\n
library<\/span> (dplyr)\n\n#add new column that shows sales for two days prior\n<\/span>df$previous_day_sales <- dplyr::lag(df$sales, n= 2<\/span> )\n\n#view updated data frame\n<\/span>df\n\n day sales previous_day_sales\n1 1 18 NA\n2 2 10 NA\n3 3 14 18\n4 4 13 10\n5 5 19 14\n6 6 24 13\n7 7 25 19\n8 8 29 24\n9 9 15 25\n10 10 18 29\n<\/strong><\/span><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
Dplyr’de cross () i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a>
Dplyr’de relocate () i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a>
Dplyr’de dilim () i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"