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AW: st: prgen option quadratic term


From   "Meulemann Max" <mmeulemann@ethz.ch>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   AW: st: prgen option quadratic term
Date   Tue, 6 Nov 2012 15:24:08 +0000

I d like to get the predicted probabilites as my contionus predicator changes keeping fixed the other ones as it is done in -prgen- only with a quadratic term of that predicator. I do not just want the predicted probabilites.

________________________________________
Von: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu]&quot; im Auftrag von &quot;Richard Goldstein [richgold@ix.netcom.com]
Gesendet: Dienstag, 6. November 2012 16:10
An: statalist@hsphsun2.harvard.edu
Betreff: Re: st: prgen option quadratic term

I don't understand; why don't you start by telling us what is wrong with
just using -predict- after your -ologit-? for help on this, start with
-h ologit-, then click on "also see" and click on "ologit postestimation"

Rich

On 11/6/12 10:07 AM, Meulemann Max wrote:
> I would like to calculate predicted probabilities in an ordinal model, ologit or oprobit. I am using a continous quadratic term, which makes calculating the predicted probablities more cumbesome. I am using stata 12
>
> I found an old entry in the statalist archive that  proposed oprobpr which does work. I was wondering if another package has been written since 2005.
>
> oprobpr does work, but some of it its features are a bit irritating like how it saves the predicted probailites in another dataset and so on. The nicest way would be to change prgen and its familiar option in a way that the same feature that works for oprobpr would work for prgen.
>
> the level options allows oproppr to vary an otherwise fixed covariate with a squared term, which is not possible for the x option of prgen.
>
> Best regards
>
> Max
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