Thanks Prof  Ripley,

Sorry I didn't make it more clearly, but PL = Psuedo likelihood
mentioned in my title. Would you have any recommendation for that?

Thanks for your response!

Fei He

On Wed, Jun 20, 2012 at 4:10 AM, Prof Brian Ripley [via R]
<ml-node+s789695n4633956h33@n4.nabble.com> wrote:
> On 19/06/2012 22:29, Herrfay wrote:
>> Dear R users,
>>
>> I've been trying to find an R package which does the PL estimation of
>> spatial GLMMs especially with the negative binomial model. so it would be
>> something similar to the "proc GLIMMIX" with the PL method in SAS. I've
>> looked up some possible packages related to GLMMs, but it doesn't seem to
>> be
>> anyone using the PL estimation.
>
> Well, have you looked at MASS?  You didn't tell us what 'PL' is, but
> from memory GLIMMIX does something close to PQL as done by
> MASS::glmmPQL.  And AFAIR that does support negative-binomial GLMs
> (which of necessity have fixed theta and as parametrized as in MASS, the
> book).
>
>>
>> Thanks for your help!
>>
>> Fei He
>> UCR Statistics
>>
>
>
> --
> Brian D. Ripley,                  [hidden email]
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
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