On Fri, 25 Jul 2008, Nutter, Benjamin wrote: >> data <- data.frame(Year=c(2000,2001,2002), > A=c(4,2,1), > B=c(3,1,2), > C=c(0,3,5)) > >> data.mat <- as.matrix(data)[,2:4] >> rownames(data.mat) <- data$Year >> data.mat <- t(data.mat) >> barplot(data.mat,beside=TRUE) Thanks a lot Andreas. -- http://fam-tille.de