Set overlap, literally.
import { Venn } from "diagrammatic";Two circles. Three labeled counts. Area is illustrative; the numbers carry the truth.
Illustrative data. Unique users, last 28 days. Overlap counts the same person on both surfaces.
6.1k people used both, about 8% of the 73.5k union. Web-only has 42.1k users, compared with 25.3k on iOS only.
- Use it for
- Two or three sets where the overlap is the message.
- Watch out
- Region area rarely matches the counts; label every region.