Hi all,
I have site data with plant species cover and am looking for trends. I'm
kind of new to this, but have done lots of reading and can't find an answer.
I tried decorana (I know it's been replaced by ca.) and see a trend, but I'm
not sure what it means. Is there a way to get the loadings/eigenvectors of
the axes (like in PCA)? Is there a way to do this with rda() too? How about
with cca()? I know I can do scores() or summary() but that's not exactly
the info I need. I basically want to interpret the axes.
Also after doing envfit() and plotting, is there a way to label sites based
on certain environmental factors? For instance, I want to highlight plots
that have a certain treatment (or have different colored points for the
different treatments.
I don't know if it matters but I used downweight() before applying
decorana().
down <-downweight(spp2009bttl, fraction = 5)
down.dca <- decorana(down)
scores(down.dca)
summary(down.dca)
Thanks so much!
-Akane
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