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

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

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
a_ij within group	0.038 ± 0.036	0.099 ± 0.060	0.088 ± 0.057	0.161 ± 0.086	0.188 ± 0.100
a_max within group	0.42 ± 0.14	0.49 ± 0.10	0.45 ± 0.12	0.49 ± 0.11	0.58 ± 0.09
a_max between groups	0.18 ± 0.14	0.23 ± 0.17	0.23 ± 0.18	0.23 ± 0.18	0.11 ± 0.15

For birth year, inbreeding coefficients, within group pedigree relationships (a_ij), maximum within and between group relationships (a_max) for five partitioned groups after K-means clustering

ISSN: 1297-9686