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2010 Dec 01
1
procrustes results affected by order of sites in input file
...ination is based on fish data, the other is based on invertebrate data. Ordinations were derived using metaMDS() from the {vegan} library as follows: fish.mds<-metaMDS(fish.data, distance="bray", k=3, trymax=100, wascores=TRUE, trace=TRUE, zero="add") invert.mds<-metaMDS(bugcal.a, distance="bray", k=3, trymax=100, wascores=TRUE, trace=TRUE, zero="add"), where fish.data and invert.data are site-by-abundance matrices for fish and invertebrates, respectively. I have then used protest() to test the significance between the two ordinations: protest.resu...