I'm trying to run a very simple non-metric multidimensional scaling code on
a 8x5 character matrix.
gr T C M B
arcor 6 4 6 5
corfo 24 21 23 24
corma 25 15 26 17
crust 3 2 6 5
fil 15 12 15 15
fol 11 9 6 8
leat 10 11 13 13
seag 2 2 2 2
My code is as follows;
coma<-read.csv("coma.csv",header=TRUE)
coma.x<-as.matrix(coma)
coma.dist <- dist(coma.x) # right here I get a warning message -> In
dist(coma.x) : NAs introduced by coercion
WHAT DOES THAT MEAN??? the table has values and there are not NAs. Could
this be a by product of the way I inserted the data?
Please help.
--
Simona Augyte, MS
PhD student
Ecology and Evolutionary Biology
University of Connecticut
cell 707-832-7007
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