Re: [R] RDA Triplot

Since I am doing an RDA with contraints I get this error message when trying to use biplot.rda: 'biplot.rda' not suitable for models with constraints Daniel 2010/11/26 Jari Oksanen [via R] < ml-node+3060660-1324000642-57...@n4.nabble.com > > Danielwc gmail.com> writes: &g

[R] RDA Triplot

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. I tried the envfit function, and this creates arrows, but the lenght is not proportionate

Re: [R] Nested variables

del. > > 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) > > Regards, > Mark. > > > DanielWC wrote: &g

Re: [R] Nested variables

You could help yourself by reading > some of R's basic documentation about how to specify a nested model. Then > "it" will tell you what to do. > > ?formula > > Or read §11.1 of "An Introduction to R" (one of R's manuals). > > Regards, Mark. >

Re: [R] Nested variables

t 7:50 AM, DanielWC > wrote: > >> Hello >> I am working with a biological data including variables called Habitat >> and >> Site, example: > >> Habitat     Site > >> Forest      Low >> Forest      Low >> Forest      High >>

[R] Nested variables

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 (that it is not a new variable). Does