I think you want 'fact[1:6, drop = TRUE]' -roger
Afshartous, David wrote: > > All, > > When I take a subset of a factor the reduced factor still maintains all > the original levels of the factor when say forming the key in a plot. > The data is correct, but the variable still "remembers" the original > levels. See below for reproducible code. Does anyone know how to fix > this? > cheers, > dave > > fact = as.factor(c(rep("A", 3),rep("B", 3), rep("C", 3))) > new.fact = fact[1:6] >> new.fact > [1] A A A B B B > Levels: A B C ## should only show A B > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > -- Roger D. Peng | http://www.biostat.jhsph.edu/~rpeng/ ______________________________________________ R-help@stat.math.ethz.ch 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.