[{'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:THRESH = 8.3\ntime_window_s = 10\nfps =25\nreversals_data = {}\nmask_dir = '/Volumes/behavgenom_archive$/Avelino/screening/David_Miller/MaskedVideos/ATR_100417'\nresult_dir = mask_dir.replace('MaskedVideos', 'Results')\nreversals_data['exp1'] = plot_reaction(mask_dir, result_dir, th=THRESH,\nis_reversal=True, time_window_s=time_window_s, fps=fps)\nplt.suptitle('Experiment 1 Reversals', fontsize=25)\nmask_dir = '/Volumes/behavgenom_archive$/Avelino/screening/David_Miller/MaskedVideos/ATR_110417_fromL4'\nresult_dir = mask_dir.replace('MaskedVideos', 'Results')\nreversals_data['exp2'] = plot_reaction(mask_dir, result_dir, th=THRESH,\nis_reversal=True, time_window_s=time_window_s, fps=fps)\nplt.suptitle('Experiment 2 Reversals', fontsize=25)"}, {'role': 'assistant', 'content': 'data_exploration'}]