TheeProff/road-accident-severity

1{2  "model_family": "Random Forest",3  "trained_at": "2026-08-01T18:41:47.093193",4  "feature_cols_numeric": [5    "latitude",6    "longitude",7    "n_crash_reports_capped",8    "hour_sin",9    "hour_cos",10    "month_sin",11    "month_cos",12    "dow_sin",13    "dow_cos",14    "is_weekend",15    "dist_to_nairobi_km",16    "county_register_accidents",17    "county_avg_victims"18  ],19  "feature_cols_categorical": [20    "part_of_day",21    "county",22    "spatial_cluster",23    "source"24  ],25  "target_classes": [26    "Minor",27    "Serious",28    "Fatal"29  ],30  "test_set_size": 6326,31  "test_f1_macro": 0.34314287648248304,32  "test_balanced_accuracy": 0.41585886978336767,33  "severity_label_definition": {34    "Fatal": "contains_fatality_words == 1",35    "Serious": "contains_fatality_words == 0 AND (contains_pedestrian_words==1 OR contains_motorcycle_words==1)",36    "Minor": "everything else"37  },38  "notes": "Severity is an engineered proxy label \u2014 see Section 5.5. Not an official police severity classification."39}