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Table 2 Predictive ability and prediction accuracy for yield 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

0.36

0.66

 

2

0.43

0.79

 

3

0.30

0.56

 

4

0.08

0.16

 

5

0.39

0.71

 

Mean

 

0.57**

 

SE

 

0.11

Family

1

−0.16

−0.29

 

2

0.15

0.28

 

3

−0.03

−0.05

 

4

0.28

0.51

 

5

0.15

0.27

 

Mean

 

0.14NS

 

SE

 

0.14

  1. Results of t-test: ** p < 0.01, NS indicates not significantly different from zero