Studied from its original page
Sky-line chart
vertical area-bars (Fig. 474 caption) · area-bar chart (the horizontal form) · compound area-bars (the segmented form, Fig. 475)
- Made by
- Karsten (naming); American statistical practice
- Year
- 1923
- Field
- Management and industry
- Kind
- Data display
- Room
- Parts of a whole
Not shown here: its rights are not cleared
See the original page — Fig. 474, p. 616 (archive leaf n677)
Test A passes (published 1923) but test B fails: Karsten died in 1968 (B would run to 2038).
The data it needs
groupgrouping (optional) · categoricalcategoryidentity · categoricalcountwidth · quantitative · base unitsmeanheight · quantitative · value per unit
Built in 6 steps, as its maker described
pp. 613-620, Figs. 473-475
1 other forms share this skeleton
Source
Karsten 1923, Charts and Graphs, p.615
Attribution less certain: contested, or no single inventor recorded