[R-sig-eco] GLMM with spatial coordinates

[Sarah Goslee]

Hi Jhonny,

As you can see below, posting in HTML means that your message becomes
impossible to read. Your second example matrix is at least readable,
but not really helpful Using dput() is much better for providing R
data.

It looks like the spaMM package provides spatial GLMM. Have you looked
into that yet? This list really isn't equipped to assist you with
basic statistical questions, but we can help with specific ecological
R questions.

Sarah



On Thu, Mar 10, 2016 at 11:29 AM, Jhonny Capichoni Massante
<jcmassante at hotmail.com> wrote:
> Dear all,
>
> My name is Jhonny and I'm finishing my master with plant ecology.
> I need some help with my data because I want to analysis with GLMM and to include spatial coordinates, but I don't know to do it! Someone help me?
> I have a data.frame with 200 obs. of 45 variables. This data.frame is in block as example below:
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>   Plot
>   Bock
>   Cod
>   Lat
>   Long
>   Area
>   Elev (m)
>   Baresoil
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>   Litter
>
>   Vneo
>   Cova
>   Aren
>   Mfum...
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>   1
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>   1
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>   M8400
>   Gg°mm'ss.s" s
>   Gg°mm'ss.s" w
>   2.47275
>         8
>    0
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>   0
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>   0.2
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>   0.69
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>   0.05
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>   0.02
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>   2
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>   1
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>   C8400
>   Gg°mm'ss.s" s
>   Gg°mm'ss.s" w
>   1
>         8
>   0.35
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>   0.2
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>   0
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>   0.1
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>      0.2
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>   0.05
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>   3
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>   2
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>   M8340
>   Gg°mm'ss.s" s
>   Gg°mm'ss.s" w
>   2.190386
>          9
>   0.03
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>   0.13
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>   0
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>       0
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>    0
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>   0
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>   4
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>   2
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>   C8340
>   Gg°mm'ss.s" s
>   Gg°mm'ss.s" w
>   1
>          9
>   0.7
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>   0.01
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>   0
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>   0
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>   0
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>   0.15
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>   .
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> >From Vneo (in blue) are my plant species with its cover (from 0.00 to 1.00) and between Lat and Litter are my predictor variables. Before Lat are plot number, block (paired) number and plot code.
>
> I want to know if predictor variables (or its interactions) explain the co-ocurrence of plants at scrub vegetation surrounding by baresoil and to know if is there spatial autocorrelation. The lat and long are position of plots and they make up a gradient of distance from a source of stress (hypersaline coastal lagoon).
>
> How can I begin this analisys?
>
> Thank you so much!
> Best wishes!!!
>
>  Jhonny
> Capichoni Massante
> Universidade
> Federal Fluminense - UFF
>
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>
>         [[alternative HTML version deleted]]
>
>
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-- 
Sarah Goslee
http://www.functionaldiversity.org