模型数据拟合效果 | |||||||
时间长度 | a | b | R2 | R | AdjR2 | SER | RMSE |
GM(1,1) | 81,574.25 | 123,636.49 | 0.071 | 0.026 | 0.031 | 0.780 | 0.748 |
GM(2,1) | 40.8921 | −3.2576 | 0.990 | 0.992 | 0.990 | 0.359 | 0.344 |
GM(1,1)邓聚龙 | −0.0630 | 0.6616 | 0.839 | 0.916 | 0.832 | 0.324 | 0.311 |