预测时间(月)

真实值

预测方法

预测值

绝对误差

相对误差

2022.8

1765.65

ARIMA(2,1,0)

1733.76

31.89

0.01806

SSA-ARIMA(3,1.0)

1759.03

6.62

0.00375

BPNN

1724.50

41.15

0.02330

SSA-BPNN

1749.50

16.15

0.00910

SSA-ARIMA(3,1,0)-BPNN

1757.52

8.13

0.00460

2022.9

1682.97

ARIMA(2,1,0)

1752.74

69.77

0.04146

SSA-ARIMA(3,1.0)

1708.35

25.38

0.01508

BPNN

1626.80

56.17

0.03340

SSA-BPNN

1666.00

16.97

0.01010

SSA-ARIMA(3,1,0)-BPNN

1701.66

18.69

0.01110

2022.10

1664.45

ARIMA(2,1,0)

1767.00

102.55

0.06161

SSA-ARIMA(3,1.0)

1667.98

3.53

0.00212

BPNN

1646.80

17.65

0.01060

SSA-BPNN

1608.00

56.45

0.03390

SSA-ARIMA(3,1,0)-BPNN

1658.50

5.95

0.00360