| Variable | Definition |
|---|---|
| Polity | The Seshat Polity Name |
| Year(s) | The years for which we have the data. [negative = BCE] |
| Confidence | Inferred : The value is inferred. Suspected : The value is suspected (Expert Check Needed). Evidenced : The value is backed up by sufficient evidence. |
| Disputed? |
No : No disagreement among scholars. Yes : There is disagreement among scholars. |
| Expert? | : Not yet Checked by a Seshat Expert. : Checked and accepted by a Seshat Expert (or RA). |
| Variable | Definition |
|---|---|
| drinking_water_supply_system | The absence or presence of drinking water supply system for a polity. |