[R-sig-ME] spatial covariance structure in glmmTMB

Mollie Brooks mollieebrooks at gmail.com
Mon Oct 9 15:42:48 CEST 2017


Hi Alice,

Have you looked at the vignette on covariance structures? There's a section
on spatial correlations.

https://cran.r-project.org/web/packages/glmmTMB/vignettes/covstruct.html

cheers,
Mollie

On Mon, Oct 9, 2017 at 3:22 PM, Alice Domalik <adomalik at sfu.ca> wrote:

> Dear list,
>
> I am fitting mixed effects models using the package glmmTMB to investigate
> habitat use.
> My current model has the form m1<-glmmTMB(count~waterdepth + temperature +
> chl.conc + (1|individual), family=list(family="truncated_nbinom1",
> link="log"), data=mydata)
> I would like to add a spatial covariance structure based on geographic
> coordinates (mydata$x and mydata$y).
> However, I do not know how to modify my model formula to include a spatial
> covariance structure. Does anyone have example code to show how this is
> done?
>
> Any help would be much appreciated!
>
>
>
>         [[alternative HTML version deleted]]
>
> _______________________________________________
> R-sig-mixed-models at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
>

	[[alternative HTML version deleted]]



More information about the R-sig-mixed-models mailing list