Research Article
A Predictive Analysis of the Business Environment of Economies along the Belt and Road Using the Fractional-Order Grey Model
Table 3
Error comparison (an example of Poland).
| | APE (%) | r | | r = 0.1 | r = 0.2 | r = 0.3 | r = 0.4 | r = 0.5 | r = 0.6 | r = 0.7 | r = 0.8 | r = 0.9 | r = 1 |
| | MAPE (%) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | 0.72 | 0.25 | 0.15 | 0.45 | 0.60 | 0.59 | 0.38 | 0.06 | 0.76 | 1.75 | | 0.89 | 0.61 | 0.36 | 0.14 | 0.02 | 0.10 | 0.06 | 0.12 | 0.50 | 1.11 | | 0.79 | 0.31 | 0.10 | 0.41 | 0.59 | 0.61 | 0.45 | 0.09 | 0.49 | 1.29 | | 0.71 | 0.47 | 0.27 | 0.12 | 0.04 | 0.03 | 0.11 | 0.26 | 0.46 | 0.71 | | 0.41 | 0.10 | 0.14 | 0.32 | 0.40 | 0.38 | 0.22 | 0.11 | 0.65 | 1.44 | | 0.70 | 0.35 | 0.20 | 0.29 | 0.33 | 0.29 | 0.24 | 0.13 | 0.57 | 1.26 |
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