[R] date conversation

jim holtman jholtman at gmail.com
Mon Jul 23 16:45:54 CEST 2012


You have to supply a 'day' or the date is not known:

> c = '2009/10'
> d=strptime(paste0(c, '/1'), format="%Y/%m/%d")
> d
[1] "2009-10-01"



On Mon, Jul 23, 2012 at 9:05 AM, paladini <paladini at beuth-hochschule.de> wrote:
> Hello,
> when I convert a factor like this  a=01.10.2009
> into a date using b=strptime(a, format="%d. %m. %Y").
> It works very well.
> But when I try to convert c = 2009/10 into a date using
> d=strptime(c, format="%Y/%m")
> it doesnt work at all. I get d=NA.
> What did I do wrong?
> Thank you very much for your help!
>
> best regards
>
>
> Claudia
>
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-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.



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