--- Richard Williams <[email protected]> wrote:
> I don't use this stuff much but I think the glm
> command can give you the same info as ipf:
True, a week ago I was at a conference diner where some people who
worked or studied with Leo Goodman (who played an important role in
developing log-linear models) discussed how he thought of these models
as ANOVA for count data. So just as you can estimate an ANOVA using
linear regression with a number of dummies, so you can estimate a
log-linear model using Poisson regression using a number of dummies.
The subject of the conversation was scientific intuition, and the role
of analogies as an important way of obtaining it.
The similarity between ANOVA and log-linear models also explains the
rather anoying tendency that people who use ANOVA and log-linear models
have in common: they tend to report the fit-statistics of a (large)
number of models, and derive their conclusions only on those, the
parameter estimates are often not even reported at all...
-- Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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