Re: [R] vegan metaMDS question

2009-05-27 Thread Gavin Simpson
On Wed, 2009-05-27 at 11:31 -0400, stephen sefick wrote: > The design decision in metaMDS says that it uses: > > Minchin, P.R. (1987) An evaluation of relative robustness of > techniques for ecological ordinations. Vegetatio 71, 145-156. > > This is the paper that I found by the same name. Is th

[R] vegan metaMDS question

2009-05-27 Thread stephen sefick
The design decision in metaMDS says that it uses: Minchin, P.R. (1987) An evaluation of relative robustness of techniques for ecological ordinations. Vegetatio 71, 145-156. This is the paper that I found by the same name. Is this the correct reference? Minchin, Peter R.1987. An Evaluation of th

Re: [R] vegan metaMDS

2009-01-23 Thread Michael Denslow
> Hi, Hi Radu, > > I'm trying to use metaMDS with a dissimilarity matrix > of angles, not > Bray-Curtis, and I wanted to know if there is an in-built > function to > produce a plot of stress values against dimensions, that > could be used to > determine the 'true' dimension of the solution. I

[R] vegan metaMDS

2009-01-21 Thread Radu Ioviță
Hi, I'm trying to use metaMDS with a dissimilarity matrix of angles, not Bray-Curtis, and I wanted to know if there is an in-built function to produce a plot of stress values against dimensions, that could be used to determine the 'true' dimension of the solution. The number of objects is only a l