[R] how to make a contour plot in R?

Uwe Ligges ligges at statistik.uni-dortmund.de
Mon Mar 13 16:41:33 CET 2006

Arnau Mir Torres wrote:

> Hello.
> I am an nxn data frame in the variable frame.
> I want to make a contour plot with it. That is, I want to plot a square 
> of dimensions [1,n]x[1,n] with the  gray level of square [i,i+1]x[j,j+1] 
> equal to frame[i,j].
> How can I make it?

See ?image

Uwe Ligges

> Thanks,
> Arnau.
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