I just sent an example. For safety I would replace
the line:
gen newid = _n
with:
gen long newid = _n
As long as your data contains less than
2,147,483,620 cases you won't run into
precision problems
For more on this see this entry on the ATS website:
http://www.ats.ucla.edu/stat/Stata/faq/longid.htm
Hope this helps,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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