[R] gam help (really a vegan question)

stephen sefick ssefick at gmail.com
Wed Nov 12 05:56:58 CET 2008

What does Generalized Cross Validation score mean.  I preform and
ordisurf on an ordination (nmds) with an environmental variable.  I am
trying to figure out "how well" the environmental varibles
predict/explain the sites placements in species space.  Any help would
be greatly appreciated.  Any pointers to literature... would be
thanks in advance,

Stephen Sefick
Research Scientist
Southeastern Natural Sciences Academy

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

								-K. Mullis

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