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Hello Im am working with a biological data including variables called Habitat and Site, example: Habitat Site Forest Low Forest Low Forest High Forest High I want to tell R that the Site variable is nested within the Forest variable...
Hi Im using the VEGAN package to do an RDA ordination. In my plot I get my environmental scores as arrows/vectors, but my species scores as points. I would like to get the species scores as arrows as well...
Hi. Yes I am trying to model such data, and i need R to know that Site is nested within Habitat. Do I use some kind of command before running the model (like factor() and so on) or do i...
>>What happens if you do something like the following? >>zeroinfl(Visitation ~ Sps*Habitat/Site - Sps:Habitat:Site, data = data1) >>zeroinfl(Visitation ~ Sps*Habitat/Site - Sps - Sps:Habitat:Site, data = data1) It seems to be working. Heres the model: nes3<-zeroinfl...
Hi again I read the chapter and it says that I can nest B in A by writing A/B. But it doesnt seem to work properly. The package I use is pscl, I am trying to model zero inflated...
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