Jasper Yu says to YSITDdef test(data): test_len = 6 data['Guess'] = data['Origin'].apply(lambda x: x[0:test_len]) data['Result_mean'] = data['Guess'].apply(lambda x: guess(x)) data['Result_q50'] = data['Guess'].apply(lambda x: guess2(x)) data['Result_meand'] = data['Result_mean'].apply(lambda x: x - data['Time']) data['Result_q50d'] = data['Result_q50'].apply(lambda x: x - data['Time']) return dataat Tue, Nov 6, 2018 5:33 PM