{ "best_model": "svm", "models": { "svm": { "display_name": "SVM + TF-IDF", "f1": 0.7463, "precision": 0.7426, "recall": 0.75, "accuracy": 0.745, "confusion_matrix": [ [ 74, 26 ], [ 25, 75 ] ] }, "random_forest": { "display_name": "Random Forest + TF-IDF", "f1": 0.72, "precision": 0.72, "recall": 0.72, "accuracy": 0.72, "confusion_matrix": [ [ 72, 28 ], [ 28, 72 ] ] }, "wangchanberta": { "display_name": "WangchanBERTa (fine-tuned)", "f1": 0.7097, "precision": 0.6581, "recall": 0.77, "accuracy": 0.685, "confusion_matrix": [ [ 60, 40 ], [ 23, 77 ] ] } } }