<\/p>\n
R’de kar\u015f\u0131la\u015fabilece\u011finiz yayg\u0131n bir hata:<\/span><\/p>\n Bu hata genellikle R’deki bir nesneyi tarih bi\u00e7imine d\u00f6n\u00fc\u015ft\u00fcrmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar, ancak nesne \u015fu anda bir karakter veya fakt\u00f6rd\u00fcr.<\/span><\/p>\n Bu hatay\u0131 d\u00fczeltmek i\u00e7in \u00f6ncelikle nesneyi dijitale d\u00f6n\u00fc\u015ft\u00fcrmeniz gerekir.<\/span><\/p>\n Bu e\u011fitimde bu hatan\u0131n pratikte nas\u0131l d\u00fczeltilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n R’de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesine sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n \u015eimdi tarih<\/strong> s\u00fctunu de\u011ferlerini tarih format\u0131na d\u00f6n\u00fc\u015ft\u00fcrmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z\u0131 varsayal\u0131m:<\/span><\/p>\n Tarih<\/strong> s\u00fctunu de\u011ferleri \u015fu anda as.POSIXct()<\/strong> fonksiyonunun i\u015fleyemedi\u011fi karakter format\u0131nda oldu\u011fundan hata al\u0131yoruz.<\/span><\/p>\n Bu hatay\u0131 d\u00fczeltmek i\u00e7in \u00f6ncelikle tarih<\/strong> s\u00fctunu de\u011ferlerini as.POSIXct’in<\/strong> i\u015fleyebilece\u011fi bir format olan say\u0131sal formata d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in as.numeric()<\/strong> kullanmam\u0131z gerekir:<\/span><\/p>\n Bu sefer hata alm\u0131yoruz ve ilk \u00f6nce de\u011ferleri say\u0131 format\u0131na \u00e7evirdi\u011fimiz i\u00e7in tarih<\/strong> s\u00fctunu de\u011ferlerini ba\u015far\u0131yla tarih format\u0131na d\u00f6n\u00fc\u015ft\u00fcrebiliyoruz.<\/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: Nesne (Liste) “double” yazmaya zorlanamaz<\/a> R’de kar\u015f\u0131la\u015fabilece\u011finiz yayg\u0131n bir hata: Error in as.POSIXlt.character(x, tz, …): character string is not in a standard unambiguous format Bu hata genellikle R’deki bir nesneyi tarih bi\u00e7imine d\u00f6n\u00fc\u015ft\u00fcrmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda ortaya \u00e7\u0131kar, ancak nesne \u015fu anda bir karakter veya fakt\u00f6rd\u00fcr. Bu hatay\u0131 d\u00fczeltmek i\u00e7in \u00f6ncelikle nesneyi dijitale d\u00f6n\u00fc\u015ft\u00fcrmeniz gerekir. Bu e\u011fitimde bu hatan\u0131n pratikte nas\u0131l d\u00fczeltilece\u011fi […]<\/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-3467","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n Error in as.POSIXlt.character(x, tz, ...): \n character string is not in a standard unambiguous format\n<\/strong><\/span><\/pre>\n Hata nas\u0131l yeniden olu\u015fturulur?<\/strong><\/span><\/h2>\n
#create data frame\n<\/span>df <- data. frame<\/span> (date=c('1459397140', '1464397220', '1513467142'),\n sales=c(140, 199, 243))\n\n#view data frame\n<\/span>df\n\n dirty date\n1 1459397140 140\n2 1464397220 199\n3 1513467142 243<\/span><\/span><\/strong><\/pre>\n #attempt to convert values in date column to date\n<\/span>df$date <- as. POSIXct<\/span> (df$date, origin=' 1970-01-01<\/span> ')\n\nError in as.POSIXlt.character(x, tz, ...): \n character string is not in a standard unambiguous format\n<\/span><\/span><\/strong><\/pre>\n Hata nas\u0131l d\u00fczeltilir?<\/strong><\/span><\/h2>\n
#convert values in date column to date\n<\/span>df$date <- as. POSIXct<\/span> (as. numeric<\/span> (as. character<\/span> (df$date)), origin=' 1970-01-01<\/span> ')\n\n#view updated data frame\n<\/span>df\n\n dirty date\n1 2016-03-31 04:05:40 140\n2 2016-05-28 01:00:20 199\n3 2017-12-16 23:32:22 243<\/span><\/span><\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
R’de nas\u0131l d\u00fczeltilir: ExtractVars’ta ge\u00e7ersiz \u015fablon form\u00fcl\u00fc
R’de nas\u0131l onar\u0131l\u0131r: de\u011fi\u015ftirmenin uzunlu\u011fu s\u0131f\u0131rd\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"