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RE: st: creating an unique household identification number


From   "Simo Hansen" <simohansen@gmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: creating an unique household identification number
Date   Fri, 1 Sep 2006 21:38:52 +0300

Dear Friedrich,
Thanks a lot for great help. Appreciated.
Best regards,
Simo  

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Friedrich Huebler
Sent: Friday, September 01, 2006 8:48 PM
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: creating an unique household identification number

Simo,

If both variables are numeric you can do this:

. gen long id1 =  Batch_nu*10 + hhid_nu

If both variables are strings you can do this:

. gen id2 = Batch_nu + hhid_nu

This command works with strings and numeric variables:

. egen id3 = group(Batch_nu hhid_nu)

Friedrich Huebler

--- Simo Hansen <simohansen@gmail.com> wrote:
> Dear All,
> I have a household level data that includes a batch number and
> within each
> batch number household id numbers. It looks like in the following
> form:
> 
> Batch_nu          hhid_nu
> 10100025          1                 
> 10100025          2        
> 10100025          3      
> 10100031          1
> 10100031          2
> 10100031          3
> 10100037          1
> 10100037          2
> 10100037          3
>  My question is that how I can create an unique identification
> number for
> each household using batch_nu and hhid_nu.
> Thank you.
> Best regards,
> Simo


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