got it, sorry!
structure(1243792800, class = c("POSIXct", "POSIXt"), tzone =
"GMT")-(60*60*24*10)
chuck.01 wrote
> Hi,
> Let say I have a date variable like this:
>
> structure(1243792800, class = c("POSIXct", "POSIXt"), tzone = "GMT")
> [1] "2009-05-31 18:00:00 GMT"
>
> How can I make it 10 days prior, so:
> [1] "2009-05-21 18:00:00 GMT"
>
> I'm randomly selecting dates from a list and want a second value a set #
> of days either before or after.
>
> Thanks ahead of time.
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