GM(2,1)模型数据拟合效果 | |||||
时间长度 | R2 | R | AdjR2 | SER | RMSE |
5日(1~5) | 0.836 | 0.915 | 0.782 | 118.455 | 91.755 |
5日(13~17) | 0.858 | 0.926 | 0.810 | 130.685 | 101.229 |
5日(27~31) | 0.970 | 0.985 | 0.960 | 47.896 | 37.100 |
9日(1~9) | 0.989 | 0.994 | 0.988 | 167.562 | 339.577 |
9日(47~55) | 0.849 | 0.921 | 0.827 | 44.985 | 39.673 |
30日(1~30) | 0.930 | 0.965 | 0.928 | 624.718 | 603.535 |
30日(11~40) | 0.537 | 0.733 | 0.520 | 292.005 | 282.103 |