RE: st: Code to generate dummy variable from several categorical variables?

[Nick Cox <n.j.cox@durham.ac.uk>]

As -tab, gen()- is only available with a single variable, this suggestion seems to have no bearing on the question being asked. 

Nick 
n.j.cox@durham.ac.uk 

urbain thierry YOGO

Try tabulate variable, gen(newvariable)
summarize variable*
where variable is the categorical variable and new variable, the new
dummy. You may have as dummy variable as the number of modalities.

2012/1/16, daniel klein <klein.daniel.81@googlemail.com>:

> Deborah,
>
> I am not really getting what you are trying to do here (and whether it
> makes sense), since you are not giving any infromation on your
> variables, but would replacing the line
>
> replace abnlX=2 if C==1
>
> with
>
> replace abnlX=2 if C==1 & mi(abnlX)
>
> do what you want?
>
>
> As a side issue, note that this
>
> replace abnlX=2 if C==1 & (B==. | B==0 | B==1)
>
> can be written as
>
> replace abnlX=2 if C==1 & inlist(B, ., 0, 1)
>
> See -help inlist()- and -help functions-
>
> Best
> Daniel
>
> --
> Hello,
>
> I'm looking for code to generate a dummy variable from values of
> several categorical variables which are not mutually exclusive. I've
> tried to do this using the generate and replace commands but Stata is
> changing the number of subjects in each dummy category as follows:

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