Forecasting Primary Energy Requirements of Territories by Autoregressive Integrated Moving Average and Backpropagation Neural Network Models

Table 3

Unit root tests of the service-dominated city.

Sequence	ADF statistic	Test critical value
		1%	5%	10%
Zero order	0.130	−4.004	−3.099	−2.690
First order	−3.905	−4.004	−3.099	−2.690
Second order	−3.373	−4.058	−3.120	−2.701