# Macro-regions for fixed effects / leave-region-out (fixed before analysis, 2026-11-01).
# Keys = the 42 `seshat_region` values of Polaris-2026 (Polities sheet). Grouping is geographic only.
macro_regions:
  Europe: [Western Europe, Southern Europe, Central Europe, Northern Europe, Eastern Europe, Southeastern Europe, Pontic-Caspian]
  Southwest_Asia: [Anatolia-Caucasus, Mesopotamia, Levant, Iran, Arabia]
  Central_Asia: [Turkestan, Afghanistan, Mongolia, Siberia]
  South_Asia: [North India, Southern India, Eastern South Asia, Pakistan, Sri Lanka]
  East_Asia: [North China, South China, Northeast Asia]
  Southeast_Asia_Oceania: [Mainland Southeast Asia, Maritime Southeast Asia, Polynesia, New Guinea]
  North_Africa: [Northeast Africa, Maghreb, Sahel]
  Sub_Saharan_Africa: [West Africa, East Africa, Central Africa, Southern Africa]
  North_America: [Mexico, Mississippi Basin, Western North America, East Coast, Caribbean]
  South_America: [Andes, Amazonia]
era_blocks:   # CE years, applied to the polity midpoint (start_year+end_year)/2
  - {name: "pre-1000BCE", max: -1001}
  - {name: "1000BCE-0", min: -1000, max: 0}
  - {name: "1-1000", min: 1, max: 1000}
  - {name: "1001-1500", min: 1001, max: 1500}
  - {name: "1501-1800", min: 1501, max: 1800}
  - {name: "post-1800", min: 1801}
# Alternative hold-out scheme added after the historical-anthropologist review (A-002): cultural spheres rather than
# geography (Sahel with sub-Saharan Africa; Southeast Asia separated from Oceania; steppe separated from Southwest Asia).
cultural_spheres:
  Europe: [Western Europe, Southern Europe, Central Europe, Northern Europe, Eastern Europe, Southeastern Europe]
  West_Asia_North_Africa: [Anatolia-Caucasus, Mesopotamia, Levant, Iran, Arabia, Afghanistan, Northeast Africa, Maghreb]
  Steppe_Central_Asia: [Turkestan, Mongolia, Siberia, Pontic-Caspian]
  South_Asia: [North India, Southern India, Eastern South Asia, Pakistan, Sri Lanka]
  East_Asia: [North China, South China, Northeast Asia]
  Southeast_Asia: [Mainland Southeast Asia, Maritime Southeast Asia]
  Oceania: [Polynesia, New Guinea]
  Sub_Saharan_Africa: [West Africa, East Africa, Central Africa, Southern Africa, Sahel]
  Mesoamerica_North_America: [Mexico, Mississippi Basin, Western North America, East Coast, Caribbean]
  Andes_Amazonia: [Andes, Amazonia]