| Model Statistics | |||||||||
| Model | Number of Predictors | Model Fit statistics | Ljung-BoxQ (18) | Number of Outliers | |||||
| Stationary R-squared | R-squared | RMSE | MAE | Statistics | DF | Sig. | |||
| GDP in billion US$-Model_1 | 0 | ā2.22Eā016 | 0.982 | 3.157 | 2.190 | 20.011 | 18 | 0.332 | 0 |