Message-ID: <DF778E5F-E896-41EE-82EC-08633B590C7F@gmail.com>
Date: 2020-10-10T09:12:41Z
From: Mollie Brooks
Subject: struc(term|group)
In-Reply-To: <CAJMQhGsmu7BquGEZeQqsthX_0Y67bjm1hgLaNk3xETU5Qg90CQ@mail.gmail.com>
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 at 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 at 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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>>>
>>
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