models/density_predictor_metrics.json

{
  "horizons_s": [
    30,
    60,
    90,
    120
  ],
  "n_train": 251116,
  "n_test": 100082,
  "scenarios": [
    "circuit_alpha_post_race",
    "barcelona_2022_egress",
    "circuit_alpha_arrival"
  ],
  "train_seeds": [
    42193,
    1177,
    90210,
    5,
    771
  ],
  "test_seeds": [
    31337,
    8080
  ],
  "model_name": "HistGradientBoostingRegressor",
  "mae_model": {
    "30": 0.011654629981787358,
    "60": 0.01902599764422875,
    "90": 0.02606386754818261,
    "120": 0.032544824527692084
  },
  "mae_baseline": {
    "30": 0.020189457079225367,
    "60": 0.039612914987253854,
    "90": 0.05898690628959313,
    "120": 0.07804926994795634
  },
  "rmse_model": {
    "30": 0.0201004602258162,
    "60": 0.03183712886360806,
    "90": 0.044377071615625804,
    "120": 0.05660578804927104
  },
  "r2_model": {
    "30": 0.9996061597317696,
    "60": 0.9990266126036284,
    "90": 0.998139039091008,
    "120": 0.9970228046889885
  },
  "improvement_pct": {
    "30": 42.27368306114686,
    "60": 51.970215647218346,
    "90": 55.814147261388115,
    "120": 58.30220506944762
  },
  "feature_names": [
    "density",
    "density_growth_per_min",
    "velocity_ratio",
    "inflow_per_capacity",
    "outflow_per_capacity",
    "net_flow_per_capacity",
    "occupancy_ratio",
    "queue_ratio",
    "flow_conflict",
    "risk",
    "upstream_density",
    "downstream_density",
    "downstream_wait_min",
    "downstream_service_ratio",
    "free_storage_ratio",
    "length_m",
    "width_m"
  ],
  "created_utc": "2026-08-12T11:33:25+00:00"
}