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st: RE: ivprob
Anna,
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of anna downs
> Sent: Tuesday, July 31, 2007 3:53 PM
> To: [email protected]
> Subject: st: ivprob
>
> Hi!
>
> I have a quick query about ivprob.
>
> If when using ivprob can I just check that I am using it
> correctly? I have
> written:
>
> ivprob allwar if baseco==1, endog(avexpr) iv(logem4)
>
> where 'allwar' is my dependent var, my endogeonous var is
> 'avexpr', and my IV for avexpr is 'logem4'. I am just looking
> at eth results from my base sample. However when I have
> written the above it says 'option exog() required'. However
> in this first regression I do not want to have any exogeneous
> variables in the regression. Any suggestions? I have tried
> just writing 'exog()' but it says again I need an exogenous
> varibale in the equation.
Why not use official -ivprobit-? It allows an empty exog list.
--Mark
> Thanks x
>
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