[R] lmer and scale parameter in glmm model

[Martin Henry H. Stevens]

Hi Fränzi,
mod.sum <- summary(model)
mod.sum @ sigma
Hank
On Aug 18, 2008, at 9:34 AM, Fränzi Korner wrote:

> Hi Oliver
>
>
>
> you once asked this question at the R help list.
>
>
>
> Hi all,
>
>
>
> I try to fit a glmm model with binomial distribution and I would to
>
> verify that the scale parameter is close to 1...
>
>
>
> the lmer function gives the following result :
>
> Estimated scale (compare to  1 )  0.766783
>
>
>
> But I would like to know how this estimation (0.766783) is performed,
>
> and I would
>
> like to know if it is possible to find this estimation with the
>
> different results given by the function lmer.
>
>
>
>
>
> Have you got an answer? I am now working with R 2.7.1.. This R- 
> version does
> not give the scale parameter in the summary of an lmer-object.
>
> Therefore, I would like to calculate the scale parameter by hand,  
> but I did
> not find out how.
>
>
>
> Thanks and best
>
> Fränzi
>
>
>
>
>
> ********************************************************************** 
> **
>
> Dr. Fränzi Korner-Nievergelt
>
> oikostat - Statistische Analysen und Beratung
>
> Ausserdorf 43
>
> CH - 6218 Ettiswil
>
> Tel.: +41 (0) 41 980 49 22
>
> www.oikostat.ch
>
>
>
> ********************************************************************** 
> ***
>
>
>
> Schweizerische Vogelwarte
>
> CH - 6204 Sempach
>
>
>
> www.vogelwarte.ch
>
> ********************************************************************** 
> ***
>
>
>
>
>         [[alternative HTML version deleted]]
>
> <ATT00001.txt>