One way (perhaps not the most efficient)
> as.Date("2005-09-01","%Y-%m-%d")
[1] "2005-09-01"
> format(as.Date("2005-09-01","%Y-%m-%d"),"%Y")
[1] "2005"
> format(as.Date("2005-09-01","%Y-%m-%d"),"%d")
[1] "01"
> format(as.Date("2005-09-01","%Y-%m-%d"),"%m")
[1] "09"
>
See ?DateTimeClasses.
Med venlig hilsen
Frede Aakmann Tøgersen
> -----Oprindelig meddelelse-----
> Fra: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] På vegne af Arun Kumar Saha
> Sendt: 18. september 2007 11:01
> Til: [EMAIL PROTECTED]
> Emne: [R] Need help on "date"
>
> Dear all,
>
> I have a variable 'x' like that:
>
> > x
> [1] "2005-09-01"
>
> Here, 2005 represents year, 09 month and 01 day.
>
> Now I want to create three variables naming: y, m, and d such that:
>
> y = 2005
> m = 09
> d = 01
>
> can anyone tell me how to do that?
>
> Regards,
>
> [[alternative HTML version deleted]]
>
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