[R] Round down to earliest hour or half hour

From: Schatzi <adele_thompson_at_cargill.com>
Date: Mon, 09 May 2011 07:06:51 -0700 (PDT)

I have times and would like to round down to the earliest 30 minute increment. For instance, a time of
2011-04-28 09:02:00
(the as.numeric value = 1303999320)

I would like it to be rounded down to:
2011-04-28 09:00:00
(the as.numeric value = 1303999200)

Any ideas of how to do this?

In theory, practice and theory are the same. In practice, they are not - Albert Einstein
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Received on Mon 09 May 2011 - 14:12:18 GMT

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