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Table 2

Prediction accuracy under different input variables

Evaluation index OD(Jan) OD(Ju) ID(Jan) ID(Ju) IDTD(Jan) IDTD(Ju)
MAPE/% 5.40(5.18) 3.16(3.03) 5.19(5.15) 4.42(4.20) 4.55(3.63) 4.79(3.92)
R² 0.943(0.962) 0.956(0.969) 0.953(0.962) 0.872(0.951) 0.971(0.990) 0.936(0.975)
RMSE/kW 8.92(7.68) 9.08(7.92) 12.83(10.95) 9.93(8.18) 9.83(9.98) 11.13(10.03)

Note:  The data inside and outside of the brackets are the accuracy for the feature variables selected by the grey relational degree analysis and those without the analysis, respectively.

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