#数据分组的问题 按主要特征对数据分组 先看看样本分布如何
symbol 002041 date 2006-12-19 open 1.7549 high 1.7549 low 1.6661 close 1.7066 volume 4386589 amount 38578597 bar -2.75 change -2.75 open_jump 0 down_line 2.37 up_line -2.83 amp 5.06 trend_5 0 trend_10 1 trend_30 1 trend_60 0 pos_10 20.27 pos_30 73.68 pos_250 11.95 drop_days 4 lossr_10 0.6 kdj_j 2.62425 kdj_j_move -0.884665 kdj_j_move_prev -0.593045 kdj_score 0.135571 bb_pos 0.49 bb_scope 0.159 bb_score 0.2226 macd_dif 0.022 macd_dea 0.012 macd_bar 0.018 macd_score 0.518 mid_price 1.72063 support_score 0.846784 Name: 7096624, dtype: object