Hi Terry, thanks for the information, I should know this in advance but I´m not used to case sensitive syntax - thanks Delphi...
regards, Eric Will Terry Therneau wrote: > >>> Konga wrote: >>>> Hi, >>>> >>>> I have a data.frame with the following variable: >>>> $ xx :Factor w/ 66 levels "01.02.2006","01.03.2006",..: 3 3 3 3 3 3 3 >>>> 3 >>>> 3 >>>> >>>> now I?d like use "as.date" on it - if I comprehend the instructions on >>>> http://finzi.psych.upenn.edu/R/library/base/html/format.Date.html >>>> it should work like this: >>>> >>>> as.date(xx, "%d.%m.%Y") - but it doesn?t... >>> What is the error message? >>> - Fehler in as.date(mydata$xx, "%d.%m.%Y") : >>> Cannot coerce to date format > > You are invoking a function from the "date" library, but reading > the documentation for "Date"; they are quite different. > > The 'date' library was written 8-10 years ago, and is used by some of > the > functions in the survival library (a dependence that I am currently > removing). > It works quite well, but has a much smaller scope of functionality than > the > later 'Date' library, in particular there are no attempts at > multi-language > support. So as.date + German format is nearly a contradiction. > > > args(as.date) > function (x, order = "mdy", ...) > > So you see that the function does not even have a "format" argument. If > your > delimiter were one of /,- then order='dmy' would have worked, but as.date > does > not accept '.' > > Terry Therneau > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/as.date---german-date-format-tp14734166p14737513.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
