Hi!

That should do it:
yourtime$min+yourtime$hour*60

In case your object is of class POSIXlt. Otherwise, convert it with
as.POSIXlt first.

Miguel


On Mon, Mar 15, 2010 at 3:57 PM, Carlos Nader <tamanduabandeira@gmail.com>wrote:

> Hi there!
>
> I have some data in POSIXlt format:
>
> 2009-07-18 5:53:00
> 2008-11-23 7:27:00
> 2008-11-24 5:25:00
>
> and would like to extract information about only the minutes of the day,
> like:
>
> 5:53 --> 353 minutes
> 7:27 --> 447 minutes
>
> can you help me?
>
> Carlos Nader
>
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>
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