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RE: st: RE: "Hours" in Stata


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: "Hours" in Stata
Date   Wed, 30 Jun 2010 22:47:36 +0200

<>

There is a section on "durations" at

***********
help dates_and_times, mark(durations)
***********


HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of C Engelbrecht
Sent: Mittwoch, 30. Juni 2010 22:45
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: RE: "Hours" in Stata

Thank you very much!

On Wed, Jun 30, 2010 at 4:42 PM, Martin Weiss <martin.weiss1@gmx.de> wrote:
>
> <>
>
> ***********
> di in r hours(clock("05nov2009 16:26:33", "DMYhms")-clock("04nov2009
> 17:01:54", "DMYhms"))
> ***********
>
>
> HTH
> Martin
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of C Engelbrecht
> Sent: Mittwoch, 30. Juni 2010 22:34
> To: statalist@hsphsun2.harvard.edu
> Subject: st: "Hours" in Stata
>
> Hi everyone,
>
> I can't seem to find an answer to this in the Stata manual (version
> 11) so hopefully someone can help me with it. I have two time
> variables in a dataset (%tc format), and I want to find out the
> difference in them measured in hours. For example
>
> 04nov2009 17:01:54
>
> and
>
> 05nov2009 16:26:33
>
>
> The hh() function only extracts the "hour" portion. It helps, but not
> easy to use in this case (when more than one day is involved). I tried
> subtracting them directly, but I'm not sure what's the "unit" for %tc
> variables.
>
> Thanks!
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