[R] Coloring Dirichlet Tiles

[awesolow]

Hi,

I have a set of x, y points (longitude/latitude) along with a z value
representing an attribute at each point.  I want to create a
Voronoi/Dirichlet tesselation of these points coloring each tile by the z
value.  I tried searching for a way to solve this and it was suggested to
use the dirichlet() command to get the correct coloring.  However, my
coloring is not correct.

Any thoughts?

Thanks in advance.

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