data/processed/nyc/fleet_estimate.json

{
  "city": "nyc",
  "computed_at": "2026-05-12T15:39:10.049044",
  "variables": {
    "lambda_density_per_h_km2": 250.06,
    "area_km2": 59.0,
    "avg_distance_km": 2.92,
    "avg_speed_kmh": 20.0,
    "capacity": 4
  },
  "estimates": {
    "m_lower": 537,
    "m_upper": 2151,
    "m_geomean": 1075,
    "m_recommended": 1100
  },
  "data_basis": {
    "n_trips_observed": 147536,
    "n_days": 5,
    "time_range_minutes": [
      420,
      540
    ],
    "spatial_filter": {
      "borough": "Manhattan"
    }
  },
  "source": "Daganzo (1978), geometric mean of lower/upper bound"
}