I'm a beginner, trying to do a canonical correspondance analysis with the vegan
package, but I come up with that : > library(vegan) > abondance.txt <-
read.table("C:/Users/abondance.txt",header=T,sep="\t") > abondance <-
cca(abondance[,-c(1,2)]~altitude, data=abondance, nhea) Error in
model.frame(data = abondance, na.action = function (object, : object
'abondance' not found any ideas ? thanks !
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