{
  "schema_version": "pharmacyatlas-public-location-percentile-method-v1",
  "method_version": "ontario-structural-percentile-v2",
  "status": "testing",
  "comparison_count": 4539,
  "comparison_group": "distinct mapped Ontario pharmacy coordinates with complete inputs",
  "distance_method": "great-circle; Earth radius 6371.0088 km",
  "ties": "midpoint of strictly-below and at-or-below fractions; inputs rounded to 6 decimals",
  "sensitivity": "Nine scenarios: equal weight, then half and double each category weight in turn; rerank peers for each scenario. Not a confidence interval or outcome validation.",
  "supply_rule": "Count all mapped registrations within 1 km, including co-located records, at both reference and searched coordinates. Nearest distance is not scored.",
  "excluded_incomplete_locations": 429,
  "categories": [
    {
      "name": "Local population",
      "radius": "750 m",
      "weight": 0.25
    },
    {
      "name": "Residents age 65+",
      "radius": "750 m",
      "weight": 0.25
    },
    {
      "name": "Public healthcare",
      "radius": "1 km",
      "weight": 0.25
    },
    {
      "name": "Pharmacy competition",
      "radius": "1 km",
      "weight": 0.25,
      "direction": "fewer mapped registrations ranks higher"
    }
  ],
  "interpretation": "A relative comparison of measured public location conditions. It is not a probability of success and has not been validated against enough operating outcomes."
}