Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon Mar 27 16:50:35 CEST 2006
yOn Mon, 27 Mar 2006, Szentirmai Istvan wrote:
> Dear R Users,
> I'm looking for a similar function as step() or drop1() for glmmML models,
> but couldn't yet find any. I would appreciate if anyone could help me find
> such a function.
If you read the help for those functions, you will see that 'all' you need
is to specify an extractAIC() function for such models.
However, I don't think even defining AIC for them is that easy (what do
you do about zero variance parameters, for example?).
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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