Thanks! I've figured out how to fix it, but how I got here is still a puzzle. :-) Cheers, Don
On Sat, Oct 17, 2009 at 5:36 PM, Peter Ehlers <ehl...@ucalgary.ca> wrote: > > Donald Braman wrote: > >> Can someone help me understand this results? >> >> levels(as.factor(miset1$facts_convict)) >>> >> [1] "1" "1" "2" "3" "4" "5" "6" >> > > Don't know how you got your data that way, but I > wonder if you've done str() on your data after > whatever procedure you used to get to this stage. > > Here's one way to get this pathological state: > > set.seed(2) > x <- sample(5, 15, rep=TRUE) > y <- factor(x, levels=c(1, 1:5)) ## repeating level "1" > levels(y) > [1] "1" "1" "2" "3" "4" "5" > > >> converting to numeric and back doesn't seem to help: >> >> levels(as.factor(as.numeric(miset1$facts_convict))) >>> >> [1] "1" "1" "2" "3" "4" "5" "6" >> > > I suspect that miset1$facts_convict is already a factor > [str() would tell you] and that the following comment > from ?factor applies: > > "In particular, as.numeric applied to a factor is meaningless ..." > > If my guess is correct, you should be able to fix things with > > newy <- factor(y) > levels(newy) > [1] "1" "2" "3" "4" "5" > > > -Peter Ehlers > > >> It's messing up my ologits. Any way to correct this? >> >> > > ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> >> [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
