Reorder it based on the negative of abundance to reverse it: reorder(table$species, - table$abundance)
On Sat, May 15, 2010 at 6:40 AM, Kang Min <ngokang...@gmail.com> wrote: > Hi fellow R users, > > I have a dataset that looks something like this. > > species class abundance > K 1 592 > K 2 288 > G 1 254 > G 2 239 > C 2 173 > D 2 123 > E 3 89 > F 2 87 > B 2 86 > H 2 82 > I 1 79 > J 2 76 > B 1 73 > D 3 72 > A 2 62 > L 2 58 > > I want to plot a stacked barchart. species is the x-axis, abundance is > y-axis, and class will appear as the stacks in different colours. I > need the species to be displayed in descending order of abundance, > meaning species K on the left side of the graph to species L on the > right. > > I've read other posts here that recommended the function reorder, > which I've used but species K appears on the right side of the graph > instead. > > barchart(table$abundance ~ reorder(table$species, table$abundance), > groups = table$class, stack = T, scales = list(x = list(draw = > F)), > auto.key = list(adj = 1)) > > Is there anything wrong with my code? > > Thanks. > Kang Min > > ______________________________________________ > 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. > ______________________________________________ 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.
