[R-sig-eco] package vegan biplot data

[Jari Oksanen]

On 16/05/11 18:55 PM, "Scott Chamberlain" <scttchamberlain4 at gmail.com>
wrote:

> Hello, How can I access the data that is used to draw the arrows on a biplot
> in package vegan?
> For example, mod[8] in the code below gets me a bunch of data about the
> ordination axes, and perhaps the data for the biplot arrows is in there, but I
> don't know which is used for the arrows.
> 
> Thanks, Scott
> 
> 
> require(vegan)
> data(dune) 
> mod <- rda(dune, scale = TRUE)
> biplot(mod, scaling = 3)
> mod[8]
> 
Check 

scores(mod, display="bp", scaling=3)

see ?scores.rda for details.

Cheers, Jari Oksanen