[R] Barchart reorder
ngokangmin at gmail.com
Sun May 16 01:35:32 CEST 2010
It works! Thanks!
On May 15, 10:46 pm, Gabor Grothendieck <ggrothendi... at gmail.com>
> 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... at 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-h... at r-project.org mailing list
> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
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