[R-sig-eco] BVSTEP (PRIMER package) rutine in R

Gavin Simpson gavin.simpson at ucl.ac.uk
Thu Apr 7 13:34:13 CEST 2011


On Thu, 2011-04-07 at 14:17 +0300, Jari Oksanen wrote:
> On 7/04/11 13:07 PM, "Andres Mellado Diaz" <amellado at um.es> wrote:
> 
> > 
> > 
> > Hi everybody, 
> > 
> > Does someone know how to perform a /BVSTEP/  analysis in R?
> > 
> > (Clarke &. Warwick (1998) and included in the /PRIMER /stat package)
> > 
> > The /BIOENV /procedure is included in package {vegan}, but I could not find
> > out how to perform a BVSTEP,
> > 
> So what is BVSTEP?

It would appear that BVSTEP is a stepwise version of BIOENV; where the
latter considers all combinations of environmental data, BVSTEP
considers the variables in decreasing order of importance in a manner
similar to forward stepwise regression.

G

> Cheers, Jari Oksanen
> 
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