Table 7 Comprehensive assessment value of WRCC of Anhui Province calculated by GM(1, 1) model.
Years | Actual value | GM(1, 1) predicted value | Relative value |
|---|---|---|---|
2010 | 0.4905 | 0.4905 | 1.0000 |
2011 | 0.2848 | 0.4380 | 0.6502 |
2012 | 0.4244 | 0.4581 | 0.9264 |
2013 | 0.4495 | 0.4791 | 0.9382 |
2014 | 0.6040 | 0.5010 | 1.2055 |
2015 | 0.6426 | 0.5240 | 1.2263 |
2016 | 0.6442 | 0.5480 | 1.1755 |
2017 | 0.6123 | 0.5731 | 1.0684 |
2018 | 0.6047 | 0.5994 | 1.0089 |
2019 | 0.4692 | 0.6268 | 0.7485 |