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abmodel
2011 Jul 07
0
CAPdiscrim error in BiodiversityR
...Species1... Speciesn
site1..
site2..
siten
with abundance data as values. Site names are row names.
and environmental data (called "envdata")
year elevation
site1...
site2...
siten
my command lines are as follows:
dists = vegdist(spdata, method ="bray")
capmodel = CAPdiscrim(dists ~ elevation, data =envdata, axes =4, m=0,
permutations = 999)
This returns the following error:
Error in eval(predvars, data, env) :
numeric 'envir' arg not of length one
In addition: Warning messages:
1: In cmdscale(distmatrix, k = nrow(x) - 1, eig = T, add = F) :...