<\/p>\n
R’deki stringr<\/a> paketinin str_count()<\/strong> i\u015flevi, bir dizedeki e\u015fle\u015fme say\u0131s\u0131n\u0131 saymak i\u00e7in kullan\u0131labilir.<\/span><\/p>\n Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r:<\/span><\/p>\n str_count(dize, desen = \u201c\u201d)<\/strong><\/span><\/p>\n Alt\u0131n:<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, bir karakter vekt\u00f6r\u00fcn\u00fcn her \u00f6\u011fesinde “a” harfinin ka\u00e7 kez g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc saymak i\u00e7in str_count()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/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 str_count()<\/strong> i\u015flevinin de b\u00fcy\u00fck\/k\u00fc\u00e7\u00fck harfe duyarl\u0131 oldu\u011funu, dolay\u0131s\u0131yla b\u00fcy\u00fck harf “A”n\u0131n karakter vekt\u00f6r\u00fcndeki her \u00f6\u011fe i\u00e7in 0<\/strong> de\u011ferini d\u00f6nd\u00fcrece\u011fini unutmay\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, bir karakter vekt\u00f6r\u00fcn\u00fcn her \u00f6\u011fesinde “a” harfinin veya “s” harfinin ka\u00e7 kez g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc saymak i\u00e7in str_count()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Sonucun nas\u0131l yorumlanaca\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n Not:<\/strong> |<\/strong> Sembol, R’deki bir “OR” operat\u00f6r\u00fcn\u00fc temsil eder.<\/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’de str_replace nas\u0131l kullan\u0131l\u0131r?<\/a> R’deki stringr paketinin str_count() i\u015flevi, bir dizedeki e\u015fle\u015fme say\u0131s\u0131n\u0131 saymak i\u00e7in kullan\u0131labilir. Bu i\u015flev a\u015fa\u011f\u0131daki s\u00f6zdizimini kullan\u0131r: str_count(dize, desen = \u201c\u201d) Alt\u0131n: dize: karakter vekt\u00f6r\u00fc model: Aranacak model A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir \u00d6rnek 1: str_count’u Tek Desenle Kullanma A\u015fa\u011f\u0131daki kod, bir karakter vekt\u00f6r\u00fcn\u00fcn her \u00f6\u011fesinde “a” harfinin ka\u00e7 kez g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc saymak […]<\/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-3332","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n\n
\u00d6rnek 1: str_count’u Tek Desenle Kullanma<\/strong><\/span><\/h2>\n
library<\/span> (stringr)\n\n#create character vector\n<\/span>x <- c('Mavs', 'Cavs', 'Nets', 'Trailblazers', 'Heat')\n\n#count number of times 'a' occurs in each element in vector\n<\/span>str_count(x, ' a<\/span> ')\n\n[1] 1 1 0 2 1\n<\/strong><\/span><\/pre>\n\n
\u00d6rnek 2:<\/strong><\/span> Birden fazla modelle str_count’u<\/strong> kullanma<\/h2>\n
library<\/span> (stringr)\n\n#create character vector\n<\/span>x <- c('Mavs', 'Cavs', 'Nets', 'Trailblazers', 'Heat')\n\n#count number of times 'a' or 's' occurs in each element in vector\n<\/span>str_count(x, ' a|s<\/span> ')\n\n[1] 2 2 1 3 1\n<\/strong><\/span><\/pre>\n\n
Ek kaynaklar<\/strong><\/span><\/h2>\n
R’de str_split nas\u0131l kullan\u0131l\u0131r?<\/a>
R’de str_detect nas\u0131l kullan\u0131l\u0131r?<\/p>\n","protected":false},"excerpt":{"rendered":"