[{'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:"""\nRMSLE\nRMSLE\nhttps://programmers.co.kr/learn/courses/21/lessons/943#\n\nRMSLE\n\n\n0\n"""\n\n# y is predict value y_ is actual value\ndef rmsle(y, y_,convertExp=True):\n    if convertExp:\n        y = np.exp(y), \n        y_ = np.exp(y_)\n    log1 = np.nan_to_num(np.array([np.log(v + 1) for v in y]))\n    log2 = np.nan_to_num(np.array([np.log(v + 1) for v in y_]))\n    calc = (log1 - log2) ** 2\n    return np.sqrt(np.mean(calc))\''}, {'role': 'assistant', 'content': 'helper_functions'}]