[R-sig-ME] struc(term|group)

[Mollie Brooks]

There’s a vignette on covariance structures
https://cran.r-project.org/web/packages/glmmTMB/vignettes/covstruct.html <https://cran.r-project.org/web/packages/glmmTMB/vignettes/covstruct.html>

Did you see that?


> On 10Oct 2020, at 4:30, Bingsong Zhang <bz117 using georgetown.edu> wrote:
> 
> In page 15 of glmmTMB manual, I see something about variance-covariance
> matrix of random effect, possible options for struc() are diag(), ar1(),
> cs() and so on. I just curious how to use this option?
> 
> 
> 
> On Thu, Oct 8, 2020 at 7:39 PM Ben Bolker <bbolker using gmail.com> wrote:
> 
>>   Can you please be a little more specific?
>> 
>>   The vignette Mollie referred to is a good start.
>> 
>>   However, there is no literal struc() option for structured covariance
>> matrices: the current list of options is  {diag = 0, us, cs, ar1, ou,
>> exp, gau, mat, toep}.  Or did you mean struc() as a place-holder for
>> structured covariance matrices in general?
>> 
>> 
>> On 10/8/20 3:41 PM, Bingsong Zhang wrote:
>>> Hi all,
>>> 
>>> Did anyone use the struc(term | group) in glmmTMB before? Are there any
>>> materials or examples I can read about it?
>>> 
>>> Best,
>>> Bill
>>> 
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>> 
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