<\/p>\n
R’deki lapply()<\/strong> i\u015flevi, bir listenin, vekt\u00f6r\u00fcn veya veri \u00e7er\u00e7evesinin her bir \u00f6\u011fesine bir i\u015flev uygulamak ve buna g\u00f6re bir liste<\/strong> elde etmek i\u00e7in kullan\u0131labilir.<\/span><\/p>\n lapply()<\/strong> i\u015flevini birden \u00e7ok ba\u011f\u0131ms\u0131z de\u011fi\u015fkenle kullanmak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n Diyelim ki R’de a\u015fa\u011f\u0131daki liste var:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, \u00fc\u00e7 de\u011fi\u015fkeni kabul eden ve \u00fc\u00e7 de\u011fi\u015fkeni birlikte \u00e7arpan, ard\u0131ndan bu i\u015flevi listemizdeki her de\u011fere uygulamak i\u00e7in lapply()<\/strong> i\u015flevini kullanan bir i\u015flevi tan\u0131mlar:<\/span><\/p>\n lapply()<\/strong> fonksiyonunun listedeki her de\u011feri \u00f6nce 3, sonra 5 ile \u00e7arpt\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n \u00d6rne\u011fin:<\/span><\/p>\n Benzer s\u00f6z dizimini kullanarak lapply()<\/strong> i\u015flevine istedi\u011finiz kadar arg\u00fcman sa\u011flayabilirsiniz.<\/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 her veri \u00e7er\u00e7evesi sat\u0131r\u0131na bir i\u015flev nas\u0131l uygulan\u0131r?<\/a> R’deki lapply() i\u015flevi, bir listenin, vekt\u00f6r\u00fcn veya veri \u00e7er\u00e7evesinin her bir \u00f6\u011fesine bir i\u015flev uygulamak ve buna g\u00f6re bir liste elde etmek i\u00e7in kullan\u0131labilir. lapply() i\u015flevini birden \u00e7ok ba\u011f\u0131ms\u0131z de\u011fi\u015fkenle kullanmak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz: #define function my_function <- function (var1,var2,var3){ var1*var2*var3 } #apply function to list using multiple arguments lapply(my_list, my_function, var2=3, var3=5) […]<\/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-4293","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n #define function\n<\/span>my_function <- function<\/span> (var1,var2,var3){\n var1*var2*var3\n}\n\n#apply function to list using multiple arguments\n<\/span>lapply(my_list, my_function, var2=3, var3=5)<\/span><\/strong><\/pre>\n \u00d6rnek: R’de birden fazla arg\u00fcmanla lapply() nas\u0131l kullan\u0131l\u0131r?<\/strong><\/span><\/h2>\n
#create a list\n<\/span>my_list <- list(A=1, B=2, C=3, D=4)\n\n#view list\n<\/span>my_list\n\n$A\n[1] 1\n\n$B\n[1] 2\n\n$C\n[1] 3\n\n$D\n[1] 4\n<\/strong><\/pre>\n #define function\n<\/span>my_function <- function<\/span> (var1,var2,var3){\n var1*var2*var3\n}\n\n#apply function to list using multiple arguments\n<\/span>lapply(my_list, my_function, var2=3, var3=5)\n\n$A\n[1] 15\n\n$B\n[1] 30\n\n$C\n[1] 45\n\n$D\n[1] 60\n<\/span><\/strong><\/pre>\n\n
Ek kaynaklar<\/strong><\/span><\/h2>\n
R’de colSums() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a>
R’de rowSums() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"