[R-sig-eco] how to calculate "axis variance" in metaMDS, pakage vegan?

[gabriel singer]

hi gian,

no, there is no such way. A MDS can´t express "explained variance". 
However, the stress value is the overall measure of quality of fit of 
your MDS to the data. There are various measures of stress, but loosely 
speaking you can regard the stress as a percentage of  variation NOT 
explained by ALL dimensions in your MDS.

cheers, g

Gian Maria Niccolò Benucci wrote:
> Hi Hi there,
>
> I am trying to use funcion metaMDS (vegan pakage) for Community Ecology
> data, but I find no way to calculate the "expressed variance" of the first 2
> axis? is there a way to do that?
> Thanks a lot in advance,
>
> Gian
>
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