DensityHistogram
DensityHistogram[{{x1,y1},{x2,y2},…}] plots a density histogram of the values {xi,yi}.
DensityHistogram[{{x1,y1},{x2,y2},…},bspec] plots a density histogram with bins specified by bspec.
DensityHistogram[{{x1,y1},{x2,y2},…},bspec,hspec] plots a density histogram with bin densities computed according to the specification hspec.
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