[R-sig-Geo] Autologistic regression in R

Elias T Krainski eliaskrainski at gmail.com
Wed Nov 15 07:04:27 CET 2017


Hi,

Have you tried http://leg.ufpr.br/Rcitrus ?

Elias

On 15/11/17 04:46, Mingke Li wrote:
> Hi,
>
> I am new to autologistic regression and R. I do have questions when starting a project in which I believe autologistic regression (spdep package) is needed.
>
> I have a point layer whose attribute table stores the values of the dependent variable (population of a kind of insect), all the independent variables (environmental factors), and the associated latitude and longitude. I hope to to fit an autologistic model to analyze which factors or combinations of factors have effects on the presence/absence of the insect (1 or 0).
>
> I found other papers which applied autologistic regression in their study almost used a grid system and defined their window sizes. So, my question is do I have to convert my point layer into a grid system if I want to do this analysis with R?
>
> Also, what should I consider when I generate the grid system? How to determine a proper cell size? How about the searching window (neighbourhood) size?
>
> Many Thanks.
>
> Erin
>
>
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>
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