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.comml-node%2b3060660-1324000642-57...@n4.nabble.com Danielwc

[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

AM, DanielWC daniel.carsten...@gmail.com wrote: Hello I 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

[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