Table 2

Summary statistics* pertaining to phenotypic data** employed in cross validation
Trait Split N Training size Phenotypes training Phenotypes testing
Min Ave Max Mean SD Mean SD
W6W within 1925 1059 1061.9 1066 −0.155 1.96 −0.188 1.95
WGS within 1917 1056 1059.6 1068 0.001 0.04 0.002 0.04
BL within 1840 1013 1017.9 1035 −0.002 0.40 −0.006 0.40
%CD8+ within 1407 774 778.6 785 0.010 4.34 0.122 4.36
CD4+/CD8+ within 1403 772 774.5 781 0.003 0.07 0.004 0.07
W6W across 1925 1059 1067.6 1081 −0.162 1.95 −0.180 1.96
WGS across 1917 1057 1063.3 1076 0.001 0.04 0.002 0.04
BL across 1840 1014 1022.3 1030 −0.002 0.40 −0.005 0.40
%CD8+ across 1407 775 780.9 791 −0.149 4.23 0.319 4.43
CD4+/CD8+ across 1403 774 782.2 799 0.003 0.07 0.003 0.07

*N = total number of phenotypic records. Minimum, average and maximum size of training set (Min, Ave and Max) and mean and standard deviation (SD) of the adjusted records considered in training and testing sets (averaged across replicates).**Traits considered: weight at 6 weeks (W6W), weight growth slope (WGS), body length (BL), percentage of CD8+ cells (%CD8+), ratio between CD4+ and CD8+ cells (CD4+/CD8+). Split = splitting strategy in cross-validation (within or across-family).

Neves et al.

Neves et al. BMC Genetics 2012 13:100   doi:10.1186/1471-2156-13-100

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