{{doc gmtbinstats}}
To do hexagonal binning of a random data and counting the number of points inside each hexagon, try:
using GMT xy = rand(100,2) .* [5 3]; D = binstats(xy, region=(0,5,0,3), inc=1, tiling=:hex, stats=:number); imshow(D, hexbin=true, ml=0.5, colorbar=true)