Table 2.
Results from AIC analyses, log likelihoods, and Likelihood Ratio Test Chi-squared and probability values in order to compare the quadratic and linear regression models using inbreeding depression results of Experiments I and II and both combined (I + II)
| Genealogical inbreeding (F) | Purged inbreeding (g) | |||||
|---|---|---|---|---|---|---|
| Experiment | I | II | I + II | I | II | I + II |
| Raw scale | ||||||
| AIC (linear) | –2.39 | –10.52 | –18.39 | –1.27 | –8.29 | –15.07 |
| AIC (quad.) | –2.50 | –9.90 | –19.23 | –0.82 | –9.00 | –17.07 |
| Log Lik. (linear) | 4.20 | 8.26 | 12.19 | 3.64 | 7.14 | 10.53 |
| Log Lik. (quad.) | 5.25 | 8.95 | 13.61 | 4.41 | 8.50 | 12.53 |
| LRT Chi-square | 2.102 | 1.380 | 2.836 | 1.539 | 2.709 | 4.001 |
| LRT p-values | 0.147 | 0.240 | 0.092 | 0.215 | 0.100 | 0.045 |
| Log scale | ||||||
| AIC (linear) | 1.52 | –2.75 | –6.87 | 2.56 | –0.23 | –3.31 |
| AIC (quad.) | –0.06 | –4.42 | –11.45 | 2.08 | –2.19 | –7.58 |
| Log Lik. (linear) | 2.24 | 4.37 | 6.43 | 1.71 | 3.11 | 4.66 |
| Log Lik. (quad.) | 4.03 | 6.21 | 9.72 | 2.96 | 5.09 | 7.79 |
| LRT Chi-square | 3.580 | 3.675 | 6.573 | 2.486 | 3.964 | 6.269 |
| LRT p-values | 0.058 | 0.055 | 0.010 | 0.115 | 0.046 | 0.012 |