[R] 3d barplot in rgl
hadley wickham
h.wickham at gmail.com
Tue Sep 25 21:21:23 CEST 2007
On 9/25/07, Chris Stubben <stubben at lanl.gov> wrote:
> hadley wickham <h.wickham <at> gmail.com> writes:
>
> >
> > Why do you want a 3d barchart? They are generally a bad way to
> > present information as tall bars can obscure short bars, and it is
> > hard to accurately read off the height of a bar. While adding
> > rotation can reduce some of these problems, why not create a graphic
> > that your viewers can take in with a glance?
> >
>
> 3d barplots are a common way to display sensitvity/elasticity matrices in
> stage-structured demography. Here's a few other options from Caswell's Matrix
> population models book (2001) - I definitely prefer 3d barcharts to these
> alternatives.
>
>
> heatmap(log10(A[3:1,]), Rowv = NA, Colv = NA, scale="none")
>
> plot(log10(c(A)), type="s")
Both of those look like equally awful alternatives. Perhaps you could
explain more about your data (perhaps with a sample?) so that we could
suggest better alternatives.
Hadley
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