| 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 |
| Current | 649.77 | 31 | ||
| Base | 407.89 | 13 | 18 | 1.0000 |