| ["distance_from_home", "distance_from_last_transaction", "ratio_to_median_purchase_price", "repeat_retailer", "used_chip", "used_pin_number", "online_order", "ratio_zscore", "ratio_log", "ratio_squared", "ratio_sqrt", "distance_ratio", "distance_sum", "chip_and_pin", "online_and_repeat", "high_ratio_flag", "high_distance_flag", "rolling_ratio_mean_10", "rolling_ratio_std_10", "rolling_ratio_mean_50", "rolling_ratio_std_50"] |