[R-sig-eco] metaMDS vs. isoMDS for NMDS

Jari Oksanen jari.oksanen at oulu.fi
Tue Mar 8 16:58:51 CET 2011


On 8/03/11 17:05 PM, "Stephen LeDuc" <sdleduc at gmail.com> wrote:

> Dear R listserve members,
> 
> Does anyone have any thoughts or advice regarding using "metaMDS" versus
> "isoMDS" functions for conducing NMDS in R?  Is one clearly preferred over
> another?  Please respond directly to me at the email below. Any thoughts
> would be most appreciated!   Best regards, Steve LeDuc
> 
Stephen,

You should give the packages where you have these functions. However,
metaMDS (of vegan) is a wrapper to isoMDS (of MASS). Basically they are the
same, except that vegan adds some support wrapping over isoMDS.

Cheers, Jari Oksanen



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