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

[Uwe Ligges]

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.
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html