From: Performance of the No-U-Turn sampler in multi-trait variance component estimation using genomic data
Parameter | True value | NUTS (LKJ prior) | NUTS (IW prior) | GS | REML | ||||
---|---|---|---|---|---|---|---|---|---|
Mean | SE | Mean | SE | Mean | SE | Estimate | SE | ||
Additive genetic (co)variances | |||||||||
 \({\sigma }_{a}^{2}(trait1)\) | 0.98 | 1.00 | 0.36 | 1.79 | 0.20 | 1.29 | 0.35 | 1.06 | 0.44 |
 \({\sigma }_{a}^{2}(trait2)\) | 4.89 | 5.32 | 1.48 | 5.37 | 1.40 | 5.84 | 1.46 | 5.54 | 1.49 |
 \({\sigma }_{a}(trait1, trait2)\) | 0.59 | 0.57 | 0.29 | 0.72 | 0.35 | 0.86 | 0.46 | 0.75 | 0.47 |
Residual (co)variances | |||||||||
 \({\sigma }_{e}^{2}(trait1)\) | 9.06 | 9.06 | 0.44 | 8.45 | 0.39 | 8.90 | 0.45 | 8.94 | 0.50 |
 \({\sigma }_{e}^{2}(trait2)\) | 5.02 | 4.82 | 0.59 | 4.78 | 0.59 | 4.61 | 0.63 | 4.60 | 0.66 |
 \({\sigma }_{e}(trait1, trait2)\) | 0.84 | 0.88 | 0.42 | 0.82 | 0.41 | 0.75 | 0.46 | 0.80 | 0.46 |
Heritabilities | |||||||||
 \({h}^{2}(trait1)\) | 0.10 | 0.10 | 0.03 | 0.17 | 0.02 | 0.13 | 0.03 | 0.11 | 0.04 |
 \({h}^{2}(trait2)\) | 0.50 | 0.52 | 0.08 | 0.52 | 0.08 | 0.55 | 0.08 | 0.54 | 0.09 |
Additive genetic correlations | |||||||||
 \({r}_{a}(trait1, trait2)\) | 0.27 | 0.31 | 0.20 | 0.24 | 0.12 | 0.34 | 0.21 | 0.40 | 0.33 |
Residual correlations | |||||||||
 \({r}_{e}(trait1, trait2)\) | 0.12 | 0.13 | 0.06 | 0.13 | 0.07 | 0.12 | 0.07 | 0.13 | 0.07 |