{
  "model_name": "AdaBoost (Optuna)",
  "algorithm": "AdaBoost",
  "tuning_method": "Optuna",
  "features": [
    "Engine RPM",
    "Lub Oil Pressure",
    "Fuel Pressure",
    "Coolant Pressure",
    "Lub Oil Temp",
    "Coolant Temp",
    "RPM_x_OilPressure",
    "RPM_x_FuelPressure",
    "RPM_x_CoolantPressure",
    "OilTemp_x_OilPressure",
    "CoolantTemp_x_CoolantPressure",
    "RPM_squared",
    "OilPressure_squared",
    "TempDiff",
    "OilFuelPressureRatio",
    "CoolantOilPressureRatio",
    "OilHealthIndex",
    "CoolantStress",
    "OilTempPerRPM",
    "CoolantTempPerRPM",
    "PressureSum",
    "TempSum"
  ],
  "n_features": 22,
  "target": "Engine Condition",
  "threshold": 0.3699999999999999,
  "test_metrics": {
    "balanced_accuracy": 0.5159377210970009,
    "roc_auc": 0.6980806781707058,
    "recall": 0.9875541125541125,
    "precision": 0.6381118881118881,
    "f2": 0.8900702301989856
  },
  "best_params": {
    "base_max_depth": "3",
    "n_estimators": "383",
    "learning_rate": "0.2608158369431769"
  },
  "training_info": {
    "train_samples": 14650,
    "val_samples": 1954,
    "test_samples": 2931
  }
}