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Hexbin

Density where dots would overflow.

import { Hexbin } from "diagrammatic";

Three thousand points as a scatter is a smear. Hexes keep the empty cells empty and let two neighborhoods announce themselves.

Friday-night pickupslowhighnortheast →

Illustrative data. Ride-hail pickups, Friday 20:00 to 02:00. n = 3,100.

fig. 36 · 3,100 Friday-night pickups

Half the pickups pile into one core. A second, smaller core sits up and to the right of it. Two thin groups make up the rest, and the empty hexes between them are places nobody was picked up.

Use it for
Tens of thousands of points binned into honest cells.
Watch out
Bin size sets the story and empty cells matter; show the scale.