I guess that your program should start
program define nlshares
This looks like trailing garbage:
{slincs|?} indinc age i9gender
Also, why are you specifying a varlist to the
model: it doesn't need or use it.
On a different note, this is a logit model. Have
you considered using -glm, link(logit)- with some
appropriate continuous family? That's perhaps non-standard,
but also non-crazy, I guess.
Nick
[email protected]
> -----Original Message-----
> Oleksandr Shepotylo
>
> I am writing my first program in Stata and can not find
> what is wrong with
> the code.
>
> I have 4 variables in the dataset: slincs indinc age i9gender.
> Here is my program:
>
> program define nlshares {slincs|?} indinc age i9gender
> if "`1'"=="?" {
> global S_1 "B0 B1 B2"
> global B0=1000
> global B1=30
> global B2=0
> exit
> }
>
> replace
> `1'=exp($B0*indinc+$B1*age+$B2*i9gender)/(1+exp($B0*indinc+$
> B1*age+$B2*i9gen
> der))
> end
>
> I tried to be as close to the example in help file as
> possible, but I get an
> error message after
>
> nl slincs indinc age i9gender
>
> " variable ? not found
> nlshares refused query, rc=111"
>
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