[R] How to subtract 2 days from a variable storing particular date

Gabor Grothendieck ggrothendieck at gmail.com
Tue Feb 3 20:54:42 CET 2009


Try this:

now <- Sys.time()
seq(now, length = 2, by = "-2 days")[2]

and see R News 4/1 for more on dates.


On Tue, Feb 3, 2009 at 2:48 PM, Suresh_FSFM <suresh.ghalsasi at gmail.com> wrote:
>
> Dear R- Exerts,
> Seek your help.
>
> Suppose I have a variable "X" that stores a date: "2008-12-15 CET"
> Now, I want to subtract 2 days (better two working days)  from value stored
> in "X".
> Please let me know how to do so.
>
> Another variable "Y" stores timestamp as: 2008-11-28 00:09:00
> I want to subtract 2 days from "Y".
> How to perfrm this subtraction?
>
> Thank you in advance.
>
> Regards,
> Suresh
>
>
>
>
>
> --
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>
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