Hi all,
I have a x, y matrix of numbers (usually ranging from 0 to 40). I need
to group these numbers and assign a color to each group (for example 0
to 15 - Blue, 16-30- Yellow, and 31-40- Red). Then I need to draw a
rectangular matrix which contains X x Y boxes and each box has the
corresponding value from the input matrix and is also colored according
to which group (i.e red, yellow, or blue) that value falls into.
I have used the color2D.matplot function from the plotrix package, but
I cant quite figure out how to group the values to represent red blue
and yellow colors.
Thanks
Kartik
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