[R-sig-eco] CA

[Gavin Simpson]

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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