[R] 3d barplot in rgl

[hadley wickham]

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?

Hadley

On 9/25/07, stubben <stubben at lanl.gov> wrote:
> Is there anyway to plot a matrix using a 3d bar plot.  Something like
> bar3 in matlab?
>
> The example in demo hist3d does a 3d barplot for binned data, but has
> anyone tried something for a simple matrix with spaces betwen bars
> and axis labels using matrix dimnames or 1,2,3?
>
>
> stages<-letters[1:3]
>
> A<-matrix(c(
> 0.21, 0.21,0.03,
> 0.55, 0.58, 0.09,
> 1.30, 1.35, 0.22), nrow=3, byrow=TRUE, dimnames=list(stages,stages) )
>
> ## I can get a surface plot, but that's about it.
>
> persp3d(A, col="red", alpha=0.7,
> xlab="fate", ylab="stage", zlab="Sensitivity", box=FALSE)
>
>
> Thanks,
>
> Chris Stubben
>
> --
> -------------------
>
> Los Alamos National Lab
> BioScience Division
> MS M888
> Los Alamos, NM 87545
>
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