| CH4 | ||||||
| Lag | LL | LR | FPE | AIC | SC | HQ |
| 1 | 168.081 | NA | 1.26e-12 | −4.731 | −2.136* | −3.769* |
| 2 | 236.975 | 87.684* | 1.29e-12 | −4.953 | 0.237 | −3.029 |
| 3 | 324.441 | 79.515 | 9.71e-13* | −6.020* | 1.766 | −3.133 |
| N2O | ||||||
| Lag | LL | LR | FPE | AIC | SC | HQ |
| 0 | −85.378 | NA | 9.63e-09 | 4.244 | 4.569 | 4.365 |
| 1 | 167.445 | 402.218 | 1.89e-12 | −4.338 | −1.419* | −3.256* |
| 2 | 237.800 | 86.345* | 1.89e-12 | −4.627 | 0.887 | −2.582 |
| 3 | 325.599 | 75.826 | 1.56e-12* | −5.709* | 2.401 | −2.701 |