Thanks Jari, for your explanation!
Could anyone explain me what does the axes scores ("points" in metaMDS
results) represents. Are they similar to PCA factor loadings. What do these
numerical values represent.

Thank you once again,

Soumi
On Thu, Nov 11, 2010 at 7:23 PM, Soumi Ray <soumiray74@gmail.com> wrote:

> Hi,
>
> I have a dataset consisting of species collected from the same location
> during 2 time periods - i want to see if the community composition is
> similar during the two time periods. My entire dataset is presence/absence
> (0/1) data. There are around 23 species and 400 samples (during each time
> period, so a total of 800 samples). Will ANOSIM from the vegan package be an
> right test to apply? I was going through some papers online where they have
> used methods like db-RDA in similar situations. Would it be right to use it
> for qualitative data? Any suggestion would be of great help.
>
> Thanks,
>
> Soumi
>

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