[R] Adding Scale to image

[Vladimir Eremeev]

"image.plot" from "fields" plots an image and a legend (or scale)


Dr. med. Peter Robinson wrote:
> 
> I have used the image() function to show a heat plot of a matrix of data 
> whose intensity  is color-coded. 
> 
> 1) How can one add a scale/legend that shows what numerical values a 
> given color corresponds to?
> 

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