[R] image question

Duncan Murdoch murdoch at stats.uwo.ca
Wed Jan 23 23:51:09 CET 2008

On 23/01/2008 4:36 PM, Ajar wrote:
>  Hi,
>  I have a question regarding the image function. Is there a way to
> specify a separate color set for each column in the matrix?

No, but the crucial part of source of image() the R code in 
image.default, and you could edit that.  zi is a local variable that 
holds indices into the colour vector; if you modified it just before the 
call to .Internal, you could do pretty much anything you liked.

Duncan Murdoch

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