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Re: st: SAS versus Stata, Panel Study Logit models


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu
Subject   Re: st: SAS versus Stata, Panel Study Logit models
Date   Wed, 19 Dec 2007 16:13:47 -0500

At 03:43 PM 12/19/2007, Richard Williams wrote:
Furthermore, I can also get SPSS to EXACTLY reproduce my Stata results. You use the adjustcorr=no option on SPSS GENLIN to do this...

Alas, this does not mean anything to me, but apparently this is something SAS and SPSS think should be done by default whereas Stata does not. Who is right? And if I were so inclined, is there an option I could use in Stata that would do this adjustment?
One more tidbit: digging around the SPSS documentation, I found

"By default, the procedure will adjust the correlation estimates by the number of nonredundant parameters. Removing this adjustment may be desirable if you want the estimates to be invariant to subject-level replication changes in the data. "

This still doesn't mean much to me, but apparently Stata thinks it is better for the estimates to be invariant to subject-level replication changes in the data? But if I disagree with Stata and want to do it like SAS and SPSS do by default, am I out of luck?



-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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EMAIL: Richard.A.Williams.5@ND.Edu
WWW: http://www.nd.edu/~rwilliam

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