Try, ofr a factor:
> x <-c("A","B","C")
> x <- factor(x)
> levels(x)
[1] "A" "B" "C"
> x <- factor(x,levels=levels(x)[c(3,2,1)])
> levels(x)
[1] "C" "B" "A"
Rock, DRF
--
View this message in context: http://r.789695.n4.nabble.com/factor-tp879983p2224639.html
Sent from the R help mailing list archive at Nabble.com.