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Table 3 Predictive ability and prediction accuracy for yield stability for each of the five cross-validation (CV) sets for random and family groupings of individuals, and mean and standard error (SE) for each grouping

From: Genomic selection and genetic gain for nut yield in an Australian macadamia breeding population

Grouping CV set Predictive Ability Prediction Accuracy (r)
Random 1 0.17 0.86
  2 0.08 0.38
  3 0.29 1.46
  4 0.03 0.15
  5 0.22 1.11
  Mean   0.79*
  SE   0.23
Family 1 0.09 0.43
  2 0.12 0.60
  3 0.06 0.30
  4 −0.09 −0.43
  5 0.10 0.50
  Mean   0.28 NS
  SE   0.18
  1. Results of t-test: * p < 0.05, NS indicates not significantly different from zero