索引项 | 原始值 | 预测值 | 残差 | 相对误差(%) |
2016 | 10.2 | 10.2 | 0 | 0 |
2017 | 9.1 | 9.031 | 0.069 | 0.757 |
2018 | 8.4 | 8.451 | −0.051 | 0.602 |
2019 | 7.8 | 7.907 | −0.107 | 1.377 |
2020 | 7.5 | 7.399 | 0.101 | 1.345 |