There's little reason or defense to use stepwise
methods. I'd recommend simply getting through your
class--and then consult a more solid source for model
building guidance, eg, Harrell's "Regression modeling
strategies."
SR Millis
--- "Corona, Ethan" <[email protected]>
wrote:
> Hello Statalisters,
>
> As part of an epidemiology class project, I have to
> employ stepwise for
> model selection. I can do that with no problems. My
> problem lies with the
> lack of output that -stepwise- generates compared to
> the output that SAS
> provides. Short of performing stepwise by hand, are
> there any model building
> ADOs that give more detailed output of each
> intermediate model?
> Specifically, I'm looking for type I and type III
> sum of squares as well as
> regression output for each intermediate model.
>
> I looked at -allpossible-, and while it provides all
> of the intermediate
> models using the -details- information, it doesn't
> provide the sum of
> squares that I'm looking for.
>
> Thank you in advance for your help.
>
> Ethan Corona
> Predoctoral Fellow
> DCPM
> University of Rochester
> Rochester, New York
>
>
>
> *
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> *
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>
Scott R Millis, PhD, MEd, ABPP (CN & RP)
Director of Research - Dept of PM&R
Wayne State University School of Medicine
Rehabilitation Institute of Medicine
261 Mack Blvd
Detroit, MI 48201
Tel: 313-993-8085
Fax: 313-745-9854
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