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uniqueitems
2005 Aug 26
2
problem with certain data sets when using randomForest
..."versicolor", so I think the only
way #to solve this problem is by changing the levels
the #"Species" have to only "setosa" and "virginica",
# correct me if I'm wrong.
# So I tried to change the levels but I got stuck:
# get the possible unique classes
uniqueItems <- unique(levels(finaldataset$Species))
# the problem!
newlevels <- list(uniqueItems[1] = c(uniqueItems[1],
uniqueItems[2]), uniqueItems[3] = uniqueItems[3])
# Error message
Error: syntax error
# In the help they use constant names to rename the
#levels, so this works (but that's not...