[R] as.date - german date format

Konga ericwill75 at yahoo.de
Wed Jan 9 16:36:59 CET 2008



Uwe Ligges-3 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
> 
> Which R version is this? 
> -2.6.0
> 
> What are all the 
> labels (in order to reproduce your error)?
> - The data.frame has 1500 objects - do you want me to print them all? Even
> the 66 different levels of the factor would be a little bit much, I think.
> But I printed them once, they all have the same format.
> 
> 
> 
> 
> 
> 
> in order to get better help.
> 
> Uwe Ligges
> 
> 
> 
>> the survival Package ist loaded - is there a problem with the german
>> format?
>> Or did I understand something wrong?
>> 
>> Much better than tranforming the format from to data would be to import
>> it
>> in the right format.
>> Is there a parameter for read.csv to get it as a date from the beginning?
>> 
>> 
>> 
>>
> 
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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