Hello Everyone
I have the data long format and I want to draw the contour plot with it
x1 x2 x3
0 1 2
0 2 1
0 3 5
1 1 4
1 2 2
1 3 3
when I am using contour(x1,x2,x3,col=heat.colors) or fill.contour
its giving me an error that increasing x and y expected
So please tell me what is the right function to draw contour when the data
is not ordered and you cant order it.
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