[R-sig-eco] CA
Gavin Simpson
gavin.simpson at ucl.ac.uk
Fri May 11 10:21:20 CEST 2012
If by CA you mean Correspondence Analysis then see the Environmetrics
Task View which list several potential options with an ecological bent:
http://cran.r-project.org/web/views/Environmetrics.html
You might also consider the Multivariate Task View for a wider
selection:
http://cran.r-project.org/web/views/Multivariate.html
I'm biased but the vegan package would be a good place to start...
G
On Fri, 2012-05-11 at 08:39 +0430, Mahnaz Rabbaniha wrote:
> Hi,i would like use CA code in my data
>
> it is a metrics with 16 column ( abundance of fish larva) and 84 raw, this
> raw in three groups: Coralline,non-coralline and creek habitat . the data
> are non-normal and i have to use non-parametric analyses ,i want to find
> similarity or dissimilarity between these habitat.
> i used the nmds in past but the stress wasn't good fitness
>
> please guide me
>
> thanks
>
> Mahnaz
>
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>
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Dr. Gavin Simpson [t] +44 (0)20 7679 0522
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