| Table 6. Likelihood values and p-value for the likelihood ratio test for the model reduction. It is entirely the users responsibility to ensure that a likelihood ratio test is meaningful. | ||||
| Model | Negative log likelihood | Number of parameters | Degrees of freedom | P value |
| Base | 378.13 | 18 | ||
| Current | 378.14 | 17 | 1 | 0.8993 |