rankindex(grad, veg, method="kendall")
vegdist
against
gradient separation using rank correlation coefficients in
cor.test
.vegdist
, isoMDS
,
cor.test
, Machine
, and for
alternatives anosim
, mantel
and
protest
.data(varespec)
data(varechem)
## The next scales all environmental variables to unit variance.
## Some would use PCA transformation.
rankindex(scale(varechem), varespec)
rankindex(scale(varechem), wisconsin(varespec))
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