Table 2 Correlations for height (HT) and wood density (WD) between estimated individual additive breeding values (EBVs) and predicted individual additive breeding values (PBVs) produced by 10-fold cross-validation for the four models (ABLUP, GBLUP-A, GBLUP-AD, and GBLUP-ADE) using random, block, and family based folding
EBV – Full data
HTWD
PBV – Cross-ValidationABLUPGBLUP-AGBLUP-ADGBLUP-ADEABLUPGBLUP-AGBLUP-ADGBLUP-ADE
Random folding
 ABLUP0.475 (0.003)0.407 (0.003)0.407 (0.003)0.401 (0.003)0.449 (0.004)0.554 (0.004)0.554 (0.004)0.523 (0.004)
 GBLUP-A0.331 (0.004)0.771 (0.003)0.770 (0.003)0.772 (0.003)0.402 (0.002)0.781 (0.001)0.781 (0.001)0.773 (0.001)
 GBLUP-AD0.334 (0.003)0.773 (0.002)0.772 (0.002)0.774 (0.002)0.405 (0.004)0.783 (0.003)0.783 (0.003)0.775 (0.003)
 GBLUP-ADE0.322 (0.004)0.762 (0.003)0.761 (0.003)0.765 (0.003)0.385 (0.002)0.765 (0.002)0.765 (0.002)0.773 (0.002)
Block folding
 ABLUP0.451 (0.001)0.381 (0.001)0.381 (0.001)0.374 (0.001)0.439 (0.000)0.549 (0.000)0.549 (0.000)0.518 (0.000)
 GBLUP-A0.329 (0.000)0.735 (0.001)0.735 (0.001)0.736 (0.001)0.383 (0.000)0.748 (0.000)0.748 (0.000)0.739 (0.000)
 GBLUP-AD0.328 (0.001)0.734 (0.001)0.735 (0.001)0.736 (0.001)0.383 (0.000)0.748 (0.001)0.748 (0.000)0.740 (0.000)
 GBLUP-ADE0.313 (0.001)0.711 (0.001)0.712 (0.001)0.715 (0.001)0.366 (0.000)0.728 (0.001)0.728 (0.001)0.733 (0.001)
Family folding
 ABLUPNAaNANANANANANANA
 GBLUP-A0.178 (0.011)0.683 (0.010)0.682 (0.010)0.691 (0.009)0.249 (0.006)0.651 (0.005)0.651 (0.005)0.663 (0.005)
 GBLUP-AD0.188 (0.005)0.692 (0.005)0.691 (0.005)0.699 (0.005)0.254 (0.003)0.656 (0.002)0.656 (0.002)0.668 (0.002)
 GBLUP-ADE0.190 (0.006)0.691 (0.006)0.689 (0.006)0.698 (0.006)0.228 (0.007)0.627 (0.007)0.627 (0.007)0.658 (0.006)
  • Prediction accuracies are represented by bold diagonals and pairwise model correlations on the off-diagonals (SEs in parentheses).

  • a NA; predicted individual additive breeding value is equal to the overall mean of the model.