Catalogued
Zheng character tally
- Made by
- Anonymous; East Asian counting practice
- Year
- folk convention
- Field
- Exploratory analysis and quality control
- Kind
- Notation
- Room
- How a group spreads — Placed by reading its description, not yet studied
5 other forms share this skeleton
Source
Friendly and Denis, Milestones in the history of data visualization
Attribution less certain: contested, or no single inventor recorded