[R] Error using glmmPQL

[Andrew Perrin]

Thanks.

----------------------------------------------------------------------
Andrew J Perrin - http://www.unc.edu/~aperrin
Assistant Professor of Sociology, U of North Carolina, Chapel Hill
clists at perrin.socsci.unc.edu * andrew_perrin (at) unc.edu


On Fri, 30 May 2003, Prof Brian Ripley wrote:

> lme does this (and that is from lme) sometimes -- often when the model
> does not fit well.
>
> On Fri, 30 May 2003, Andrew Perrin wrote:
>
> > Can anyone shed any light on this?
> >
> > > doubt.demographic.pql<-glmmPQL(random = ~ 1 | groupid/participantid,
> > +                                fixed = r.info.doubt ~
> > +            realage + minority + female + education + income + scenario,
> > +                                data = fgdata.df[coded.resource,],
> > +                                na.action=na.omit,
> > +                                niter=50,
> > +                                family=binomial(link=probit))
> > iteration 1
> > iteration 2
> > iteration 3
> > iteration 4
> > iteration 5
> > iteration 6
> > iteration 7
> > iteration 8
> > Error in logLik.reStruct(object, conLin) :
> >         NA/NaN/Inf in foreign function call (arg 3)
> >
> > The traceback() output is very long, so I won't post it, but you can see
> > it here:
> >
> > http://www.unc.edu/~aperrin/stuff/diagnostics
>
> --
> 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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