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st: xttrans

From   "A. Manzoni" <>
To   <>
Subject   st: xttrans
Date   Fri, 16 Nov 2007 17:40:45 +0100

I am using the xttrans command. I have a longitudinal data file with status
in each month for each respondent (12 months for each respondent). I do not
understand why using

xttrans status, i(pid) t(month) 

doesn't give me exactly the same result as 

ta status lagstatus, row

where status is the var indicating the status in each month (t) and
lagstatus is status at t-1.
What is xttrans actually doing?


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