Re: [R] date handling

From: paul sorenson <sourceforge_at_metrak.com>
Date: Tue 13 Dec 2005 - 21:00:02 EST

d = as.POSIXlt(c("2005-07-01", "2005-07-02", "2005-07-03", "2005-07-04", "2005-07-05"))
d$mon and d$year will get you part way there.

That is assuming your dates are formated yyyy-mm-dd. strptime() might also be useful.

Richard van Wingerden wrote:
> Hi,
>
> Given a frame with calendar date's:
>
> "2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc.
>
> I want to extract the following from these dates:
>
> week number
> month number
> year number
>
> Any ideas how to accomplish this?
>
> Many thanks.
>
> Regards,
> Richard
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Dec 13 21:10:39 2005

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