--- On Mon, 9/11/09, C.T. Shehzad wrote:
> However, stata says "option if not allowed". It has
> happened before as well that conditionals do not work
> as option.
>
> factor wbq91-wbq93, factors(1) if year == 2005
> option if not allowed
> r(198)
That should read
factor wbq91-wbq93 if year == 2005, factors(1)
Remember that -if- is never an option and should thus
appear before the ","
-- Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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