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Table 4 The number of individuals and the averages (± standard deviation)

From: Accuracies of genomic breeding values in American Angus beef cattle using K-means clustering for cross-validation

Groups 1 2 3 4 5
Number 1033 885 1084 348 220
Birth year 1995.2 ± 10.3 1999.3 ± 6.2 2003.9 ± 4.6 1999.5 ± 5.4 1985.2 ± 10.9
Inbreeding 0.033 ± 0.036 0.047 ± 0.033 0.042 ± 0.026 0.035 ± 0.034 0.102 ± 0.054
aij within group 0.038 ± 0.036 0.099 ± 0.060 0.088 ± 0.057 0.161 ± 0.086 0.188 ± 0.100
amax within group 0.42 ± 0.14 0.49 ± 0.10 0.45 ± 0.12 0.49 ± 0.11 0.58 ± 0.09
amax between groups 0.18 ± 0.14 0.23 ± 0.17 0.23 ± 0.18 0.23 ± 0.18 0.11 ± 0.15
  1. For birth year, inbreeding coefficients, within group pedigree relationships (aij), maximum within and between group relationships (amax) for five partitioned groups after K-means clustering