Try this: > bargin$stuffnew<-bargin$stuff[bargin$stuff != "very.high", drop=TRUE] > bargin$stuffnew [1] low middle low low low low middle low middle middle middle middle middle high [15] high low middle middle low high Levels: low middle high >
On Wed, Jul 29, 2009 at 8:47 PM, Jason Rupert<jasonkrup...@yahoo.com> wrote: > Code is provided below. > > I was trying to follow the example at the following website: > http://www.ats.ucla.edu/stat/R/modules/factor_variables.htm > > Only difference is that I am working with trying to remove a level from a > dataframe. In the example below, notice that "very.high" is still a level in > bargin$stuffnew, even though I thought I removed it. > > Thanks for info on what I might have overlooked to remove "very.high" level > and if I can do it after the fact from bargin$stuffnew. > > Thanks again. > > bargin<-NULL > ses<-NULL > ses <- c("low", "middle", "low", "low", "low", "low", "middle", "low", > "middle", "middle", "middle", "middle", "middle", "high", "high", "low", > "middle", "middle", "low", "high") > bargin$stuff <- factor(ses, levels = c("low", "middle", "high")) > bargin$stuff > bargin$stuff<-factor(bargin$stuff, levels = c(levels(bargin$stuff), > "very.high")) > bargin$stuff > bargin$stuffnew<-bargin$stuff[bargin$stuff != "very.high"] > bargin$stuffnew > [1] low middle low low low low middle low middle middle > middle middle middle high > [15] high low middle middle low high > Levels: low middle high very.high > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.