Table 2.
Selection of covariance matrix models to model the
matrix related to the genotype × harvest year interaction, according to the AIC criterion, for dry cocoa bean yield.
| Nr | Models of covariance matrix | AIC criterion | BIC criterion |
|---|---|---|---|
| 1 | CS—Compound symmetry | 6860.79 | 6878.16 |
| 2 | AR1—First-order autoregressive | 6847.19 | 6864.55 |
| 3 | DIAG—Heterogeneous diagonal | 6824.19 | 6863.27 |
| 4 | CORGH—Heterogeneous compound correlation | 6770.58 | 6900.85 |
| 5 | CORH—Homogeneous compound correlation | 6766.04 | 6809.46 |
| 6 | FA1—Factor analytic with 1 factor | 6761.03 | 6826.16 |
| 7 | AR1H—Heterogeneous autoregressive | 6755.11 | 6798.53 |
| 8 | AD—Ante-dependence | 6748.00 | 6808.38 |
| 9 | FA2—Factor analytic with 2 factors | 6744.07 | 6826.16 |
| 10 | FA3—Factor analytic with 3 factors | 6742.70 | 6838.22 |