The gap between two lines, shaded.
import { DifferenceArea } from "diagrammatic";Thirty weekdays of checkout POSTs. The interesting number is the gap, not either line.
Illustrative data. Checkout POST per day versus the Friday forecast. 7 Jul to 15 Aug.
Actual requests move above forecast on 21 Jul and cross the 18k capacity guide that day. They remain above 18k through 28 Jul, while the forecast stays between 14.2k and 14.7k.
- Use it for
- Actual against target where being above or below is the story.
- Watch out
- Shade the gap, not the lines, and reserve the two hues for sign.