Message-ID: <439E9BA2.5070206@metrak.com>
Date: 2005-12-13T10:00:02Z
From: paul sorenson
Subject: date handling
In-Reply-To: <a3e689eb0512120359w7961af63nf6e47a48d8e13d74@mail.gmail.com>
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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