a <- data.frame(b = rep(1:5, each=2), c=factor(rep("a",10), levels=c("a","b")))
levels(subset(a, b=1, drop=T)$c)
# [1] "a" "b"Is this a bug? Thanks,, Hadley ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
