[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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