--- Knag Anne-Christine <[email protected]> wrote:
> . tostring experiment treatment, gen (expstr treatstr)
> expstr generated as str1
> treatment already string; no generate
This tells you that treatstr isn't generated because treatment is
already a string
> . gen combi = expstr + treatstr
> treatstr not found
> r(111);
As treatstr wasn't generated, it doesn't exist, so you get an error
Instead you should have typed gen combi = expstr + treatment
-----------------------------------------
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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