{ "model": "XGBoost", "best_parameters": { "colsample_bytree": 0.8, "learning_rate": 0.1, "max_depth": 9, "n_estimators": 300, "subsample": 0.8 }, "metrics": { "accuracy": 0.6406449961607371, "precision": 0.7194363862411935, "recall": 0.7048315062931384, "f1_score": 0.712059064807219, "confusion_matrix": [ [ 767, 677 ], [ 727, 1736 ] ] } }