Hello everybody! Let's assume I have the following factor with it's levels:
a<-factor(c(2,3,3,2,4,2,3,2,2,2,3,2,3)) mydata<-data.frame(a) When I plot the vector "a" using barplot(table(mydata$a) unfortunately the value "1" does not show up, as it does not appear in my data. But still, it theoretically exists. How can I assign the following levels to the factor? 1: dislike very much 2: dislike 3: like 4: like very much I have already tried the following code, which does not work levels(data$a)<-c("dislike very much","dislike","like","like very much") as "2" then becomes "dislike very much". I hope you understand my problem. Thank you for any help! [[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.