Hello Joseph
I think it's the -xi: glm...
How does it work?
Peter
-----Oprindelig meddelelse-----
Fra: Joseph Coveney [mailto:[email protected]]
Sendt: 20. februar 2003 16:40
Til: Statalist
Emne: Re: st: treating a categorial variable as a set of dummies in a
"glm
Peter Lassen posted:
> I believe there is an easy way to treat a nominal variable as a set of
> dummies in a glm-command.
> Let's say i have the following: glm Y X1 X2 X3, family(binom) link(logit)
> and the X3-variable is a numeric categorical variable, which have to be
> treaten as a set of dummies.
> Off cause I can create 4 new dummies, and use those instead of the X3,
> but ithink there is an easier way of doing that?
Do you mean something like -xi: glm Y X1 X2 i.X3, family(binomial) link(logit)-?
Or did you want the linearly dependent complete set, as produced by -tabulate X3,
generate(dummy)-?
Joseph Coveney
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