Re: st: prgen question after logit

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 02:53 PM 4/9/2007, S J wrote:
> Dear all,
>
> I have the following question:
>
> I estimate a model of the form
>
> xi: logit y x1 i.x2
>
> Then I attempt to do the below:
> prvalue, x(x2=0) rest(mean)
> prvalue, x(x2=1) rest(mean)
>
> But I get an error message:
> x1 not rhs variable
> invalid syntax
> r(198);
>
> Any ideas? Is it that I can't use the xi route for
> specifying categorical rhs's and then use prvalue?
x2 isn't actually a variable in the equation.  Dummies created from 
x2 are.  So, I think you need to create the dummies 
yourself.  Although, if x2 is already a dummy var, you don't need xi 
in the first place.


-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
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EMAIL:  Richard.A.Williams.5@ND.Edu
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