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st: RE: "Hours" in Stata


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: "Hours" in Stata
Date   Wed, 30 Jun 2010 22:42:23 +0200

<>

***********
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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