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Re: st: RE: -reoprob- error: "varlist required"


From   Yevgeniya Savchenko <ys244@georgetown.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: -reoprob- error: "varlist required"
Date   Thu, 7 Jun 2012 15:03:06 -0400

Dear Nick,

many thanks!

Best,
Yevgeniya

On Thu, Jun 7, 2012 at 2:51 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> -reoprob- is a user-written command, as you are asked to explain.
>
> STB-61  sg158.1 . . . . . . . . . . .  Update to random-effects ordered probit
>        (help reoprob, ghquadm if installed)  . . . . . . . .  G. R. Frechette
>        5/01    p.12; STB Reprints Vol 10, pp.266--267
>        correction to solve occasional abort in maximization
>
> STB-59  sg158 . . . . . . . . . . . . . . . . .  Random-effects ordered probit
>        (help reoprob, ghquadm if installed)  . . . . . . . .  G. R. Frechette
>        1/01    pp.23--27; STB Reprints Vol 10, pp.261--266
>        estimates a random-effects ordered probit model
>
> The syntax of -reoprob- is that you should specify -i()-.
>
> You specified -id()- instead and -reoprob- stopped when that became problematic.
>
> The wrong option -id()- is not caught as such because -reoprob- allows a bundle of extra options to pass to -ml-.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Yevgeniya Savchenko
>
> I am running an ordered probit panel regression model with random
> effects (reoprob) of health self-assessment variable (health1) on
> gender (ahgsex) with 8 time periods and ID as a panel personal
> identifier. The panel is balanced, there are 4 categories in health1,
> ahgsex is a dummy which is equal to 1 for men. I get an error -
> varlist required- (see below).
> . reoprob health1 ahgsex, id( ID)
> varlist required
> r(100);
>
> I tried renaming the variables, including different independent
> variables, but still get the same error. I use Stata 11.
> Could someone please advise how I can tackle this problem?
>
>
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