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Re: st: quasi-variances in Stata
Richard,
two (technical / nontechnical) references would be:
Firth, D. & De Menezes, R. X.
Quasi-variances
Biometrika, 2004, 91, 65-80
Gayle, V. & Lambert, P. S.
Using Quasi-variance to Communicate Sociological Results from
Statistical Models
Sociology, 2007, 41, 1191-1208
Best,
Daniel
Am May 9, 2008 um 3:47 PM schrieb Richard Goldstein:
I am not familiar with either Firth or Fox (2008) (note that the FAQ
asks for complete references); nor am I familiar with the term
"quasi-variances";
Why not just use the test statement after your regression to test
exactly the comparison you want?
Rich
Thomas W. Volscho wrote:
Does anyone know if Stata has plans to (or has already)
incorporated a native routine to obtain quasi-variances for testing
differences between dummy variables and not just differences b/w
each dummy and reference category?
Firth has done work in this area and it is outlined in John Fox's
new (2008) applied regression text.
Thanks,
Tom
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Daniel Stegmueller
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