[R] Matrix barplot

[Andreas Tille]

On Fri, 25 Jul 2008, Jim Lemon wrote:

> library(plotrix)

Well, if I try this in the example of the previous poster I get
nicely rendered fonts - which is the only difference I noticed.

> # barp groups data in columns, not rows, so transpose
> barp(t(atdat[,2:4]),names.arg=atdat[,1],col=2:4)

While I could set matrices and vectors the same way as previousely
suggested I would like to understand, why this leads to

   'height' must be a vector or a matrix

again.  But that's purely accademical.

Kind regards

      Andreas.

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