Research Article

China’s Energy Demand Forecasting Based on the Hybrid PSO-LSSVR Model

Table 3

Unrestricted Cointegration rank test (trace).

Hypothesized No. of CE(s)EigenvalueTrace statistic0.05 critical value

None0.987905242.938969.818890.0000
At most 10.917747128.149647.856130.0000
At most 0.78513963.2026429.797070.0000
At most 30.57303323.2207215.494710.0028
At most 40.0411841.0934463.8414660.2957

Trace test indicates 4 cointegrating equations at the 0.05 level. denotes rejection of the hypothesis at the 0.05 level. MacKinnon-Haug-Michelis (1999) values.