[R] checkerboard plot?

[Andy Bunn]

Hi,

I've been doing a lot of CA modeling lately and am now wanting to make some
checkerboard plots in R.

Let's say I have a matrix:

> is.matrix(junk)
[1] TRUE
> junk
     [,1] [,2] [,3] [,4] [,5]
[1,]    0    0    1    0    0
[2,]    0    1    1    1    0
[3,]    0    1    0    0    1
[4,]    0    1    1    1    1
[5,]    0    1    0    0    0
>

and I want to make a checkerboard with 0 being white and 1 being black.

Any thoughts on how I wuld do this?

Thanks in advance,
Andy

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