[{'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:y_value = train_df['Cover_Type']\ndel train_df['Cover_Type'], train_df['ID']\ndel test_df['Cover_Type'], test_df['ID']\n\nmodel = keras_model(train_df.shape[1])\ncallbacks = [\n        EarlyStopping(\n            patience=10,\n            verbose=10)\n    ]"}, {'role': 'assistant', 'content': 'modelling'}]