Research Article
Grey Forecast Model with Aging Fractional Accumulation and Its Properties
Table 5
Grey models with different grey accumulation operators.
| | | GM (1, 1) | AGM (1, 1) | DAGM (1, 1) | AGM1 (1, 1) | NGM (1, 1) | CFGM (1, 1) | FGM (1, 1) | FHGM (1, 1) |
| 1 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2399.26 | 2 | 2910.52 | 2989.36 | 2910.52 | 2989.36 | 2846.92 | 2910.52 | 2895.97 | 2906.43 | 2895.97 | 3 | 3126.62 | 3178.09 | 3192.14 | 3178.09 | 3197.53 | 3184.44 | 3202.81 | 3201.44 | 3202.81 | 4 | 3475.14 | 3378.73 | 3433.73 | 3378.73 | 3472.12 | 3427.27 | 3440.37 | 3436.21 | 3440.37 | 5 | 3750.96 | 3592.04 | 3645.29 | 3592.04 | 3687.18 | 3642.53 | 3644.95 | 3640.92 | 3644.95 | 6 | 3752.72 | 3818.81 | 3833.15 | 3818.81 | 3855.62 | 3833.37 | 3830.51 | 3828.03 | 3830.51 | 7 | 4004.02 | 4059.91 | 4001.66 | 4059.91 | 3987.53 | 4002.54 | 4004.02 | 4004.02 | 4004.02 | MAPE | | 2.07 | 1.19 | 2.07 | 1.34 | 1.19 | 1.26 | 1.23 | 1.26 | MAE | | 72.52 | 42.20 | 72.52 | 45.81 | 42.32 | 44.19 | 43.31 | 44.19 | RMSE | | 85.28 | 58.12 | 85.28 | 58.56 | 58.43 | 59.18 | 59.66 | 59.18 | 8 | 3737.38 | 4316.22 | 4153.93 | 4316.22 | 4090.85 | 4152.51 | 4169.51 | 4172.66 | 4169.51 | 9 | 4263.98 | 4588.72 | 4292.30 | 4588.72 | 4171.77 | 4285.46 | 4329.50 | 4336.39 | 4329.51 | MAPE | | 11.55 | 5.9 | 11.55 | 5.81 | 5.81 | 6.55 | 6.67 | 6.55 | MAE | | 451.79 | 222.43 | 451.79 | 222.84 | 218.3 | 248.83 | 253.84 | 248.83 | RMSE | | 469.31 | 295.23 | 469.31 | 258.31 | 293.93 | 309.05 | 312.02 | 309.05 |
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Note. AGM1 (1, 1) is the adjacent accumulation grey model. The smallest values of these model errors are in bold.
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