[{'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:\n#5. BaggingClassifier\nfrom sklearn.ensemble import BaggingRegressor\nfrom sklearn.tree import DecisionTreeRegressor\n\nclf_bgr_CC = BaggingRegressor(base_estimator = DecisionTreeRegressor())\nclf_bgr_Fat = BaggingRegressor(base_estimator = DecisionTreeRegressor())\n\nrmsle_bgr_CC = test_model(clf_bgr_CC, "CC")\nrmsle_bgr_Fat = test_model(clf_bgr_Fat, "Fat")\n\nprint (rmsle_bgr_CC, rmsle_bgr_Fat)\n'}, {'role': 'assistant', 'content': 'helper_functions'}]