[R] Missing Data?

From: Elva Robinson <elva_robinson_at_hotmail.com>
Date: Fri 28 Oct 2005 - 23:57:34 EST


I am using glmmPQL on a dataset which has no missing values:

antgl<-glmmPQL(SF~Proc*Min, random= ~1|Trial, family="binomial")

I get the error message:

iteration 1
Error in na.fail.default(list(invwt = c(1.36892171002990, 1.36680104392581, :

        missing values in object

I also get this error if na.action is set na.fail. If I set na.action to na.omit to ignore the (mythical) missing values, I get other error messages.

There are no missing values - I have used is.na(antgl) to check this. Can anyone explain why it seems to think there are?

Thanks



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