<\/p>\n
R’de kar\u015f\u0131la\u015fabilece\u011finiz bir hata:<\/span><\/p>\n Bu hata, x == NA<\/strong> s\u00f6zdizimini kullanarak R’deki bir if<\/strong> ifadesindeki bir de\u011feri NA ile kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar.<\/span><\/p>\n Bir if<\/strong> ifadesi DO\u011eRU veya YANLI\u015e de\u011ferini bekler; dolay\u0131s\u0131yla bu i\u015flev her zaman DO\u011eRU veya YANLI\u015e de\u011ferini d\u00f6nd\u00fcrd\u00fc\u011f\u00fc i\u00e7in bunun yerine is.na(x)<\/strong> kullanmal\u0131s\u0131n\u0131z.<\/span><\/p>\n Diyelim ki, R’deki bir vekt\u00f6rdeki de\u011ferler listesini yinelemeye \u00e7al\u0131\u015f\u0131yoruz ve vekt\u00f6rde bir NA de\u011feri her oldu\u011funda “eksik” kelimesini yazd\u0131rmaya \u00e7al\u0131\u015f\u0131yoruz:<\/span><\/p>\n x[i] == NA<\/strong> s\u00f6z dizimini kulland\u0131\u011f\u0131m\u0131z i\u00e7in hata al\u0131yoruz.<\/span><\/p>\n S\u00f6zdizimini is.na(x)<\/strong> olarak a\u015fa\u011f\u0131daki gibi de\u011fi\u015ftirmemiz gerekiyor:<\/span><\/p>\n Vekt\u00f6rde bir NA de\u011feriyle kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131zda hata almad\u0131\u011f\u0131m\u0131z\u0131 ve “eksik” kelimesini yazd\u0131rabildi\u011fimizi unutmay\u0131n.<\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’deki di\u011fer yayg\u0131n hatalar\u0131n nas\u0131l d\u00fczeltilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n Nas\u0131l D\u00fczeltilir: Zorlaman\u0131n Getirdi\u011fi NA’lar<\/a> R’de kar\u015f\u0131la\u015fabilece\u011finiz bir hata: Error in if (x[i] == NA) {: missing value where TRUE\/FALSE needed Bu hata, x == NA s\u00f6zdizimini kullanarak R’deki bir if ifadesindeki bir de\u011feri NA ile kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar. Bir if ifadesi DO\u011eRU veya YANLI\u015e de\u011ferini bekler; dolay\u0131s\u0131yla bu i\u015flev her zaman DO\u011eRU veya YANLI\u015e de\u011ferini d\u00f6nd\u00fcrd\u00fc\u011f\u00fc i\u00e7in bunun yerine […]<\/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-1879","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n Error in if (x[i] == NA) {: missing value where TRUE\/FALSE needed\n<\/strong><\/pre>\n Hata nas\u0131l yeniden olu\u015fturulur?<\/strong><\/span><\/h3>\n
#define vector with some missing values\n<\/span>x <- c(2, NA, 5, 6, NA, 15, 19)\n\n#loop through vector and print \"missing\" each time an NA value is encountered\n<\/span>for<\/span> (i in<\/span> 1:length(x)) {\n \n if<\/span> (x[i] == NA) {\n print(' Missing<\/span> ')\n }\n}\n\nError in if (x[i] == NA) {: missing value where TRUE\/FALSE needed\n<\/strong><\/pre>\n Hata nas\u0131l d\u00fczeltilir?<\/strong><\/span><\/h3>\n
#define vector with some missing values\n<\/span>x <- c(2, NA, 5, 6, NA, 15, 19)\n\n#loop through vector and print \"missing\" each time an NA value is encountered\n<\/span>for<\/span> (i in<\/span> 1:length(x)) {\n \n if<\/span> (is. na<\/span> (x[i])) {\n print(' Missing<\/span> ')\n }\n}\n\n[1] \u201cMissing\u201d\n[1] \u201cMissing\u201d\n<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
Nas\u0131l D\u00fczeltilir: Matriste Yanl\u0131\u015f Dizin Say\u0131s\u0131<\/a>
Nas\u0131l onar\u0131l\u0131r: De\u011fi\u015ftirilecek par\u00e7a say\u0131s\u0131, de\u011fi\u015ftirme uzunlu\u011funun kat\u0131 de\u011fil<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"