# Authoritative sources

- Last verified: 2026-07-19
- Review cadence: every 6 months
- Refresh triggers: PySAL component major release or inferential API change

## Canonical sources

- [libpysal documentation](https://pysal.org/libpysal/) — spatial weights and core data structures.
- [esda documentation](https://pysal.org/esda/) — global and local spatial autocorrelation statistics.
- [spreg documentation](https://pysal.org/spreg/) — spatial regression models and diagnostics.
- [pointpats documentation](https://pysal.org/pointpats/) — point-pattern analysis.

Record analysis units, weights construction and transformation, islands, permutations, random seed, multiple-testing correction, model version, and sensitivity alternatives.