Research Article
Prediction of Vegetable Supply in Henan Province Based on PSO-GM (1, N) Model
Table 3
Variable selection results of GM (1, N) model.
| | Model | Average relative error of prediction | Error value (%) |
| | GM (1, 2) | ε2 | 14.74 | | GM (1, 3) | ε3 | 22.75 | | GM (1, 4) | ε4 | 4.93 | | GM (1, 5) | ε5 | 8.30 | | GM (1, 6) | ε6 | 9.65 | | GM (1, 7) | ε7 | 8.67 | | GM (1, 8) | ε8 | 8.06 |
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