时间

实际值/元

GM(1,1)模型/元

相对误差/%

FGM(1,1)模型/元

相对误差/%

2017.4

9403

9403.00

0.000

9403.00

0.000

2017.5

9636

9475.26

−1.668

9844.96

2.169

2017.6

9839

9779.23

−0.608

9895.98

0.579

2017.7

9992

10,092.94

1.010

10,081.00

0.891

2017.8

10,185

10,416.72

2.275

10,383.59

1.950

2017.9

10,562

10,750.89

1.788

10,746.87

1.750

2017.10

11,068

11,095.77

0.251

11,132.79

0.585

2017.11

11,617

11,451.72

−1.423

11,521.00

−0.826

2017.12

12,034

11,819.09

−1.786

11,901.70

−1.099

2018.1

12,375

12,198.25

−1.428

12,270.69

−0.843

2018.2

12,542

12,589.56

0.379

12,626.58

0.674

2018.3

12,825

12,993.43

1.313

12,969.27

1.125

2018.4

13,036

13,410.26

2.871

13,299.26

2.020

2018.5

13,147

13,840.46

5.275

13,617.32

3.577