Did you try "traceback()"? What do you get?
I've had good luck with problems like this in listing the function
then using "debug" to review while I walk throught the code line by line.
This may not be the issue here, but with "family=binomial", if the
model being
Hi,
I'm having trouble with glmmPQL from the MASS package.
I'm trying to fit a model with a binary response variable, two fixed
and two random variables (nested), with a sample of about 200,000
data points.
Unfortunately, I'm getting an error message that is difficult to
understand without
