Re: st: RE: omega statistic

[David Airey <david.airey@vanderbilt.edu>]

.

Hi Tony,

Omega2 by Phil Ender is a measure of effect size following ANOVA.  
Amresh was interested in the logit model.

-Dave


On Mar 19, 2008, at 11:21 AM, Lachenbruch, Peter wrote:

> There is a package omega2 that can be used after anova.  It was  
> written
> by Phil Ender.
>
> Tony
>
> Peter A. Lachenbruch
> Department of Public Health
> Oregon State University
> Corvallis, OR 97330
> Phone: 541-737-3832
> FAX: 541-737-4001
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Hanchate,
> Amresh
> Sent: Wednesday, March 19, 2008 7:40 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: omega statistic
>
> Hi all:
> I was wondering if there is a Stata implementation of the "omega
> statistic" (Silber, Rosenbaum and Ross (1995)) "for comparing the
> contributions of subsets of predictors in a multiple regression model
> (including generalized linear models, survival models, etc.)".
>
> Silber, J. H., Rosenbaum, P. R. and Ross, R. N. (1995) Comparing the
> Contributions of Groups of Predictors: Which Outcomes Vary with
> Hospital Rather than Patient Characteristics? JASA 90, 7-18.
>
> Are there other similar methods that Stata can estimate? I am
> particularly interested in logistic regression case.
>
> Thanks in advance,
> Amresh Hanchate
>
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--
David C. Airey, Ph.D.
Pharmacology Research Assistant Professor
Center for Human Genetics Research Member

Department of Pharmacology
School of Medicine
Vanderbilt University
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Nashville, TN 37232-8548

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EMAIL david.airey@vanderbilt.edu
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