R help - Sep 2008 - plotting glmmPQL function

hello all,

i'm an R newbie struggling a bit with the glmmPQL function (from the nlme
pack).  i think i've managed to run the model successfully, but can't
seem
to plot the resulting function. plot(glmmPQL(...)) plots the residuals
rather than the model...  i know this should be basic, but i can't seem to
figure it out.  many thanks in advance.

j
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rhelpless wrote:
> 
> 'm an R newbie struggling a bit with the glmmPQL function (from the
nlme
> pack).  i think i've managed to run the model successfully, but
can't seem
> to plot the resulting function. plot(glmmPQL(...)) plots the residuals
> rather than the model
> 
Use predict on the fit; you should probably convert the plus-minus infinity
range by using logistic transformation for plotting.

glmm = glmmPQL(y ~ trt + I(week > 2), random = ~ 1 | ID,
                family = binomial, data = bacteria)
bacteria$pred = predict(glmm)


Creating a special rhelpless mail account is not considered good etiquette
here, so better use your real name if you want a reply.


Dieter



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