Energy Demand Forecasting: Combining Cointegration Analysis and Artificial Intelligence Algorithm

Table 1

Definition and description for the variables.

Variables	Definition	Max	Min	Mean	Std. dev.
E	ln form of total electricity energy consume (10^12 KWH)	1.7393	−0.8873	0.4418	0.8381
	ln form of total population (10^8)	2.6208	2.3594	2.5208	0.0769
	ln form of gross domestic product (trillion Yuan RMB 10^12)	2.6540	−0.0944	1.2919	0.8578
	ln form of the ratio of tertiary sector to GDP (%)	3.9160	3.3810	3.6459	0.1506
	ln form of the urban population to the total (%)	4.0271	3.1659	3.5881	0.2809
	ln form of price index for the electricity demand	2.6623	0.0000	1.6674	0.0825

Note. KWH denotes kilowatt hour.