Carbon Emission Influencing Factors and Scenario Prediction for Construction Industry in Beijing–Tianjin–Hebei

Table 4

Comparison of the prediction performance of the four models.

Model	MSE	RMSE	MAE	MAPE
Basic model	41.69	6.46	5.06	0.02
Energy intensity EKC model	41.46	6.44	4.97	0.02
GM (1, 1)	1,550.94	39.38	27.07	0.12
ARIMA	757.36	27.52	23.23	0.08

ARIMA, autoregressive integrated moving average; EKC, environmental Kuznets curve; GM, grey model.