日期

不同模型预测的相对误差

ARIMA(2,1,2)

BP神经网络

等权重组合

方差倒数法组合

2019/12/18

2.45%

1.71%

2.08%

2.06%

2019/12/19

3.82%

2.15%

2.99%

2.96%

2019/12/20

2.99%

0.99%

1.99%

1.96%

2019/12/23

4.09%

1.23%

2.66%

2.61%

2019/12/24

4.03%

0.08%

2.06%

1.99%

2019/12/26

3.13%

1.61%

0.76%

0.68%

2019/12/27

2.30%

3.59%

0.64%

0.74%

2019/12/30

2.30%

4.84%

1.27%

1.39%

2019/12/31

2.26%

5.91%

1.82%

1.96%