[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify code snippets into one of the following categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']."}, {'role': 'user', 'content': 'Identify the single most appropriate category to which the provided code belongs. Provide your response as a single category label without any additional information, commentary, or personal opinions.\\nPython Code:p_hat = rfc.predict_proba(tests_X).T[1]\nfpr, tpr, thresholds = metrics.roc_curve(tests_y, p_hat)\nplt.figure()\nplt.plot(fpr, tpr, label = \'ROC curve (area = %0.2f)\' % metrics.auc(fpr, tpr))\nplt.plot([0, 1], [0, 1], \'k--\')\nplt.xlim([0, 1.01])\nplt.ylim([0, 1.01])\nplt.xlabel(\'FPR/Fall-out\')\nplt.ylabel(\'TPR/Sensitivity\')\nplt.title("BlueOwl data ROC")\nplt.legend(loc = \'lower right\')'}, {'role': 'assistant', 'content': 'result_visualization'}]