[{'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:from sklearn.linear_model import LinearRegression, Ridge, Lasso\nfrom sklearn.model_selection import GridSearchCV\nfrom sklearn import metrics\nimport warnings\npd.options.mode.chained_assignment = None\nwarnings.filterwarnings("ignore", category=DeprecationWarning)\n\nlr=LinearRegression()\ny_train_log=np.log1p(y_train)\nlr.fit(train,y_train_log)\npred=lr.predict(train)\nprint("RMSLE Value For Linear Regression: ",rmsle(y_train_log,pred,True))\n'}, {'role': 'assistant', 'content': 'helper_functions'}]