Message-ID: <1351557465124-4647803.post@n4.nabble.com>
Date: 2012-10-30T00:37:45Z
From: chuck.01
Subject: changing date by +/- days
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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