Dear R users,
I´m starting to use the R program, and I´m afraid this is probably a dumb question.
I´m doing a CCA using the Vegan package. I read several manuals but can not test the variables by permutation or how to find the inertia of each variable. 
This is important, so I can calculate the percentage of explanation of each variable. I was able to do this using the software CANOCO.
Anyone know if it is possible and how to do this using R program?
Any suggestions gratefully received.

Augusto Silva Costa
 
Master student at Postgraduate Program of Biological Oceanography 
Institute of Oceanography
Water Bird Lab.
Biological Science Institute
Federal University of Rio Grande, FURG, Brazil
Phone: +55 53 32935164
Mobile: +55 53 81239636
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