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Re: st: repeated time unbalanced panel data


From   Daniel Lawson <dlawson1@nd.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: repeated time unbalanced panel data
Date   Fri, 8 Oct 2004 15:16:21 -0500

I don't know if I understood the data structure correctly, but if I do, this should produce a tsset that you can then use with xtreg or other panel data tools. There's probably a better way to do this than what I'm suggesting.

gen individual_ID = 1
replace individual_ID = individual_ID[_n-1] + 1 if (_n>1) & (year[_n] == year[_n-1])
quietly sum individual_ID
replace individual_ID=individual_ID + (id - 1)*r(max)
tsset individual_ID year

Peace,
Daniel Lawson

On Oct 8, 2004, at 2:49 PM, Paulo Loureiro wrote:


Dear list members


This pseudo- panel database was constructed from successive cross-sections data. Cohorts of individuals over time are defined by date of birth
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