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Re: st: generate common id

From   Steve Samuels <>
Subject   Re: st: generate common id
Date   Mon, 7 Jan 2013 10:57:32 -0500


You are apparently referring to the Pakistan Rural Household Panel
Survey, which, with the addition of urban HH in 2010 became the Pakistan
Panel Household Survey. I have seen instances where the names of crucial
variables changed between survey rounds, and where the location in the
questionnaire also changed. so you should check the codebook for
these possibilities.  My only other suggestion is to obtain the 2004 data
with IDs from the organization that did the survey.

I see that you are not the only one who has had this problem. The
authors of the publication with URL
" panel household
survey sample size, attrition and socio-demographic dynamics" 
also did not link the 2004 surveys to those from the other years.


> Date: Sun, 6 Jan 2013 00:44:25 -0800 (PST)
> From: lubna <>
> Subject: st: generate common id
> dear statalist
> I am working on three waves (2001,2004 & 2010) of panel  rural household
> data of Pakistan.The problem is that one of the waves(2004)  does not have
> household id which makes it impossible to merge all three waves .Can you
> please guide me that what command in stata can be used to generate common
> id for all three waves or any other way to merge all three waves in stata.
> Sincerely
> Lubna Naz
> PhD student Pakistan Institute of Development Economics,Islamabad,Pakistan.
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