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

9403.000

0.000

2017.5

9636

9844.96

2.169

9672.074

0.374

2017.6

9839

9895.98

0.579

9801.638

−0.380

2017.7

9992

10,081.00

0.891

9984.897

−0.071

2017.8

10,185

10,383.59

1.950

10,284.605

0.978

2017.9

10,562

10,746.87

1.750

10,644.415

0.780

2017.10

11,068

11,132.79

0.585

11,026.663

−0.373

2017.11

11,617

11,521.00

−0.826

11,411.169

−1.772

2017.12

12,034

11,901.70

−1.099

11,984.090

−0.415