[R-sig-eco] R-sig-ecology Digest, Vol 90, Issue 6

[Michael Marsh]

All, How can I save (rename as a vector?) the "where" output of plot 
assignment to groups from mvpart() to use as input to mrpp of the same data?
Mike Marsh

On 9/10/2015 3:00 AM, r-sig-ecology-request at r-project.org wrote:
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> Today's Topics:
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>     1. How to incorporate spatial autocorrelation in	multivariate
>        GLM (Alexandre F. Souza)
>     2. Re: How to incorporate spatial autocorrelation in
>        multivariate GLM (Tim Meehan)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 9 Sep 2015 09:25:12 -0300
> From: "Alexandre F. Souza" <alexsouza.cb.ufrn.br at gmail.com>
> To: Lista de discussao R-sig-ecology <r-sig-ecology at r-project.org>
> Subject: [R-sig-eco] How to incorporate spatial autocorrelation in
> 	multivariate GLM
> Message-ID:
> 	<CAFXQFgNvHV5gcA8porCnW96w__AcpOAk4yC59sZ+AKXrHXY1rw at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Dear friends,
>
> I would like to ask for some advice.
>
> I am embarking in the analysis of species occurrence date across
> biogeographic scales in South America. I am willing to try to jump from
> more traditional distance-based multivariate analysis (e.g., RDA on
> hellinger-transformed abundance data) to multivariate GLM as proposed by
> Warton (mvabund package) and also by Yee (VGAM package).
>
> However, distance-based methods have grown to incorporate spatial
> dependency through the development of MEM and AEM techniques, which model
> symmetric and asymmetric spatial relationships and can be included in the
> explanatory side of the analysis.
>
> Reading the multivariate GLM papers, however, I have not seen clear mention
> on how to control or include spatial autocorrelation. I am thinking of
> including MEM and perhaps AEM variables simply as co-variables added to the
> explanatory environmental variables in the multivariate GLM.
>
> Is this a step I will regret later on?
>
> Thanks in advance for any thoughts,
>
> All the best,
>
> Alexandre
>