观测时间/月 | 实测总沉降量/mm | 等时距GM(1,1) | 残差GM(1,1) | 新陈代谢GM(1,1) | |||
预测值/mm | 预测误差% | 预测值/mm | 预测误差% | 预测值/mm | 预测误差% | ||
1 | 1.5 | 1.5 | 0.00 | 1.5 | 0.00 | 1.5 | 0.00 |
2 | 1.9 | 1.75 | −7.89 | 1.83 | −3.68 | 1.985 | 4.47 |
3 | 2.3 | 2.02 | −12.17 | 2.08 | −9.57 | 2.31 | 0.43 |
4 | 1.9 | 2.34 | 23.16 | 2.36 | 24.21 | 2.57 | 35.26 |
5 | 2.5 | 2.69 | 7.60 | 2.68 | 7.20 | 2.65 | 6.00 |
6 | 3.4 | 3.11 | −8.53 | 3.04 | −10.59 | 3.17 | −6.76 |
7 | 3.6 | 3.59 | −0.28 | 3.46 | −3.89 | 3.6 | 0.00 |
8 | 3.9 | 4.14 | 6.15 | 3.93 | 0.77 | 3.9 | 0.00 |
9 | 4.4 | 4.78 | 8.64 | 4.46 | 1.36 | 4.33 | −1.59 |
10 | 4.9 | 5.51 | 12.45 | 5.07 | 3.47 | 4.8 | −2.04 |