[R] Plotting a Trivial Matrix

[Tobias.Mathow at Forst.bwl.de]

What about 

http://www.phaget4.org/R/image_matrix.html

try function "f.matrix.plot"



Tobias Mathow
Forest Research Institute Baden-Wuerttemberg (FVA) 
Wonnhaldestr. 4, D- 79100 Freiburg 
Phone: ++49-761-4018-365
www.fva-bw.de


-----Ursprüngliche Nachricht-----
Von: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] Im Auftrag von Lorenzo Isella
Gesendet: Freitag, 26. Februar 2010 09:30
An: r-help
Betreff: [R] Plotting a Trivial Matrix

Dear All,
Consider a matrix (N x N) where each entry is either zero or one (can
hardly get any simpler).
Now, I would like to plot it as a 'chessboard' where every matrix entry
is a black (1) or white (0) square.
Whatever tool I use to plot it, it should not try to interpolate the
data at all.
I found some online references
http://www.phaget4.org/R/image_matrix.html
but probably I can resort to something much simpler.
Can anyone provide me with a simple example I can modify later on?
Many thanks

Lorenzo

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