[{'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:# first batch of predictions\nfirst_predict_date = pd.to_datetime('2020-03-19')\npred_data = {key:region_dfs[key].loc[(region_dfs[key]['Date']>=(first_predict_date-pd.DateOffset(days=n_in)))&\n                                    (region_dfs[key]['Date']<first_predict_date)] \n             for key in region_dfs}\ntest_reshaped = [pred_data[i][['ConfirmedCases_scaled','Fatalities_scaled']].values.reshape(1,n_in,2) for i in pred_data]\nfirst_input = np.vstack(test_reshaped)\nfirst_pred = final_regressor.predict(first_input)"}, {'role': 'assistant', 'content': 'modelling'}]