{ "model_type": "LogisticRegression", "vectorizer": "TfidfVectorizer", "training_date": "2025-10-15T04:17:26.260481", "accuracy": 0.9372946330777656, "auc_roc": 0.9522242964677188, "cv_mean_score": 0.934889906014672, "cv_std_score": 0.004096827576656105, "n_samples": 18258, "n_train_samples": 14606, "n_test_samples": 3652, "n_features": 8000, "test_size": 0.2, "random_state": 42, "confusion_matrix": [ [ 3101, 158 ], [ 71, 322 ] ], "hyperparameters": { "max_iter": 1000, "solver": "saga", "C": 1.0, "class_weight": "balanced" } }