[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': "Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:max_log_y = np.log(np.max(train_df['Sales'])*1.2)  # whether it is better to have +20% max sales need to be verified\ny_range = torch.tensor([0, max_log_y], device=defaults.device)\nlearn = tabular_learner(data, layers=[1000,500], ps=[0.001,0.01], emb_drop=0.04, \n                        y_range=y_range, metrics=exp_rmspe)"}, {'role': 'assistant', 'content': "['modelling']"}]