Re: [R] glmmPQL help

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Tue 18 Jul 2006 - 02:57:24 EST

On Mon, 17 Jul 2006, Zython wrote:

>
> I need to use the glmmPQL function for an assignment, but when I call for the
> summary of the function, it gives the AIC a value of NA. How do I get R to
> give me the AIC value?

You did!

Hint: have you read the reference of which this is part of the support software? If so you will know that you need a maximized likelihood to evaluate AIC, and your fit is not an MLE.

-- 
Brian D. Ripley,                  ripley@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

______________________________________________
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
Received on Tue Jul 18 04:26:05 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Tue 18 Jul 2006 - 06:16:11 EST.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.