ogbos okike wrote:
Hi,
I am trying to use the image function to do a color plot. My matrix columns
are labeled y and x. I tried >image(y, x) but I had error message ("Error in
image.default(y, x) : increasing 'x' and 'y' values expected").
Could anybody please tell me how to add these increasing 'x' and 'y' values.
Hi Ogbos,
I think you may be passing the values that you want displayed rather
than the positions of those values on a 2D grid. Try sending your matrix
to color2D.matplot in the plotrix package. That just converts the values
into colors and may be more like what you want.
Jim
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