[R]: performing marginal tests to glm objects
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Jul 24 12:11:40 CEST 2003
?drop1 for the valid marginal tests.
If you want `type III' tests (which aren't marginal in the usual sense)
see Anova in package car, which also does `type II' tests (as performed by
drop1).
On Thu, 24 Jul 2003, Eve Corda wrote:
> I wonder if it is possible to obtain marginal tests for effects in
> generalized linear models. Indeed, the anova function produces
> sequential tests and it doesn't have any "type" argument to specify that
> we would like marginal tests instead, as in the similar anova function
> for lme objects.
>
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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