Just add the following to your code new.fact = fact[1:6, drop=T]
> new.fact [1] A A A B B B Levels: A B > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Afshartous, David > Sent: Tuesday, September 12, 2006 11:23 AM > To: r-help@stat.math.ethz.ch > Subject: [R] levels of factor when subsetting the factor > > > 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. > ______________________________________________ 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.