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Re: st: Combining date and time into one variable.


From   "ippab ippab" <ippab.statalist@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Combining date and time into one variable.
Date   Fri, 28 Mar 2008 16:18:53 -0400

Hi Svend,

Thanks for your response.  I am using Stata 10.

The two variables are numeric displayed in date and time format.
However, I have access to string versions as well.

Thanks.

ippab

On Fri, Mar 28, 2008 at 11:05 AM, Svend Juul <SJ@soci.au.dk> wrote:
> ippab wrote:
>
>  I have two variables, one indicating date and another indicating time
>  of the day.  For example, date = 03/26/2008 and time = 17:31:30.  I am
>  wondering how I can combine these two variables into one variable so
>  that I can use the new "Datetime" variable for tis.
>
>  My understanding is that 'tis' command (for panel data or time series
>  analysis) only accepts one variable.  Since I have several
>  observations for a panel on the same day, I need to make sure both
>  date and time are used as the time variable.
>
>  =============================================================
>
>  You must tell us more:
>
>  1. What version of Stata do you use? Concerning date and time,
>  Stata 10 is different from Stata 9.
>
>  2. The type of the variables -date- and -time-. Are they numeric
>  variables displayed in date and time formats, or are they strings?
>
>  Svend
>
>  ________________________________________________________
>
>  Svend Juul
>  Institut for Folkesundhed, Afdeling for Epidemiologi
>  (Institute of Public Health, Department of Epidemiology)
>  Vennelyst Boulevard 6
>  DK-8000 Aarhus C,  Denmark
>  Phone, work:   +45 8942 6090
>  Phone, home:   +45 8693 7796
>  Fax:           +45 8613 1580
>  E-mail:        sj@soci.au.dk
>  _________________________________________________________
>
>
>
>
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