Research Article
Grey Relational Entropy Calculation and Fractional Prediction of Water and Economy in the Beijing-Tianjin-Hebei Region
Table 16
Entropy change in Hebei from 2015 to 2024.
| | Year | Added value of primary industry | Industrial added value | Added value of construction industry | Added value of tertiary industry | Permanent residents |
| | 2015 | | | | | | | 2016 | −0.01488 | 0.11334 | 0.15517 | 0.16566 | 0.179545 | | 2017 | 0.098944 | −0.27174 | 0.040946 | 0.045001 | 0.011464 | | 2018 | 0.048874 | 0.062604 | −0.23416 | −0.13297 | −0.12087 | | 2019 | −0.3751 | 0.301842 | 0.074608 | −0.19602 | −0.18916 | | 2020 | −0.03091 | 0.139241 | −0.14122 | −0.13495 | −0.14486 | | 2021 | −0.12803 | 0.375373 | −0.09356 | −0.14819 | −0.14978 | | 2022 | −0.12262 | 0.537652 | −0.09356 | −0.13559 | −0.13661 | | 2023 | −0.11409 | 0.759968 | −0.09193 | −0.12122 | −0.12181 | | 2024 | −0.10429 | 1.066624 | −0.08932 | −0.10698 | −0.10725 |
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