[R] Barchart reorder

[Kang Min]

It works! Thanks!

On May 15, 10:46 pm, Gabor Grothendieck <ggrothendi... at gmail.com>
wrote:
> 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
> >https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
> 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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