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st: Analysis of event history data


From   "Kristian Thor Jakobsen" <KRJ@dm.dk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Analysis of event history data
Date   Mon, 19 Mar 2012 12:32:26 +0100

I am trying to do an analysis of transition in and out of public income
transfers. My data is organized roughly the following way:

Id	y_1001	y_1002	y_1003
1	0	1	0
2	0	0	0
3	1	1	0

This means that I have the weekly status of each individual from 1991 to
2011. But in order to any sort of analysis I would guess that I had to
convert the data into the following way instead (for example survival
analysis):

Id	Status	Time
1	0	1
1	1	2
1	0	3
2	0	1
2	0	2
2	0	3
3	1	1
3	1	2
3	0	3

Is that correct, and if so, does there exist a smart way to convert the
data from one format into the other? Or can I perhaps use the data as
given?

Thanks,
Kristian

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