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Ridgeline

Distributions in overlapping rows.

import { Ridgeline } from "diagrammatic";

Twelve ridges, one year. Each row is a month of daily maximums on a shared temperature axis. The drift is the picture.

Daily highs by monthJanFebMarAprMayJunJulAugSepOctNovDec8°14°20°26°

Illustrative data. Daily maximums, one coastal station.

fig. 31 · Daily highs in a coastal city, one year

The peak shifts toward warmer bins from January through April. July and August share the same peak bin. December's peak moves back toward January's cooler bins.

Use it for
How a distribution drifts across many groups or time slices.
Watch out
Overlap hides valleys behind peaks; order the rows meaningfully.