Research Article
A New Multivariable Grey Convolution Model Based on Simpson’s Rule and Its Applications
Table 9
The forecasted results and the values of three indices measuring accuracy by six competing models in case three.
| Original values | 65894.78 | 67822.93 | 72103.41 | MAPE | RMSE |
| | Forecasted values | 74781.44 | 77760.78 | 82791.00 | 14.32 | 9865.06 | Error (%) | 13.49 | 14.65 | 14.82 | | Forecasted values | 74387.88 | 77235.75 | 82033.66 | 13.51 | 9297.73 | Error (%) | 12.89 | 13.88 | 13.77 | | Forecasted values | 73784.29 | 76581.01 | 81414.67 | 12.60 | 8672.71 | Error (%) | 11.97 | 12.91 | 12.91 | | Forecasted values | 73306.88 | 75968.74 | 80567.28 | 11.67 | 8019.37 | Error (%) | 12.01 | 12.01 | 11.74 | | Forecasted values | 90944.46 | 97409.07 | 105286.45 | 42.55 | 29461.50 | Error (%) | 38.01 | 43.62 | 46.02 | | Forecasted values | 18986.34 | 21522.63 | 24452.89 | 68.51 | 46956.34 | Error (%) | 71.19 | 68.27 | 66.09 |
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