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st: reshape when the stub is at the beginning of the variables


From   Carol Bao <yanjunbb@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: reshape when the stub is at the beginning of the variables
Date   Tue, 25 Apr 2006 16:01:22 -0700 (PDT)

Hi, I am asking this for a friend:

She has a data set in its wide form like this:

ID   Wave1 Wave2 Wave3 ASMOK BSMOK CSMOK
1     0      1     1    .      1     0
2     1      1     0    1      0     .

Which reads: for person 1, he/she appears in wave 2
and wave 3 of the survey and reports to smoke in wave
2 (BSMOK) and not smoke in wave 3 (CSMOK).  For person
2, he/she is interviewed in wave 1 and 2 but drops out
in wave 3 and reports to smoke in wave 1 and not in
wave 2.

The question is, the stub for reshape into variable
SMOK appears at the beginning of the variables as A, B
and C respectively for three waves (all the other
variables as well).  Is there any easier way to
reshape the data? Or any suggestions?

Thanks,

Carol

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