[{'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:hs_2013 = df_hs[df_hs.Year ==\'2013\']\ncut_off = hs_2013.Total_pct_GDP.mean() + 2*hs_2013.Total_pct_GDP.std()\ncut_off\nhs_2013_subset = hs_2013[hs_2013.Total_pct_GDP >= cut_off]\nhs_2013_subset.set_index("Country", inplace = True)\nhs_2013_subset.Total_pct_GDP.plot(kind = "barh")\npyplot.title("Countries with Overall Expeditures(% of GDP) \\n 2 Standard Deviations above the Mean")\npyplot.xlabel("Percent of GDP spent on Health")'}, {'role': 'assistant', 'content': "['data_exploration']"}]