Marc Bernard wrote: > Daer All, > > I have a factor variable, X with 5 levels. When I type tables(X) it gives me: > > table(X) > 1 2 3 4 5 > 10 5 0 0 0 > > How to drop the levels with zeros such that when I will type: > table(X) it will give me: > > table(X) > 1 2 > 10 5
table(X[,drop=TRUE]) Uwe Ligges > > Thank a lot, > > Bernard > > > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > [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 ______________________________________________ [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
