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Mathematical Problems in Engineering
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2019
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Article
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Tab 2
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Research Article
Forecasting of Wastewater Discharge and the Energy Consumption in China Based on Grey Model
Table 2
Deviation indexes of simulation results for different forecasting methods.
Method
MAPE(%)
MAE
MSE
FGM(1,1) model
2.42
0.3500
0.2115
OFGM(1, 1) model
1.92
0.2640
0.1536