Research Article

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

Table 2

Unit root tests of the manufacturing city.

SequenceADF statisticTest critical value
1%5%10%

Zero order−1.524−4.122−3.145−2.714
First order−4.067−4.200−3.175−2.729
Second order−5.275−4.297−3.213−2.748