Hi everyone,
I understand the process of obtaining the internal integer codes for
the raw values of a factor (using as.numeric() as below), but what is
the best way to obtain these codes for the levels() of a factor (since
the as.numeric() results don't really make clear which code maps to
which level)?
fdata<-factor(c("b","b","c","a","b","c"),labels=c("I","II","III"))
fdata
levels(fdata)
as.numeric(fdata)
I thought something like this would make sense and work, but it throws an error:
as.numeric(levels(fdata))
Thanks!
Dan
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