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Table 3 Numbers of individuals and birth-year range in the training and validation sets

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

  Training Validation
Trait Number Birth year Number Birth year
Birth weight 2515 1957-2006 688 2007-2008
Calving ease direct 2507 1957-2006 673 2007-2008
Calving ease maternal 1600 1957-2001 365 2002-2008
Carcass weight 1906 1957-2004 542 2005-2008
Docility 1130 1963-2004 233 2005-2008
Fat thickness 2268 1957-2006 887 2007-2008
Heifer pregnancy rate 565 1968-2001 133 2002-2008
Marbling 2308 1957-2006 891 2007-2008
Maternal weaning weight 1671 1957-2001 395 2002-2008
Mature height 1066 1957-2000 224 2001-2008
Mature weight 1072 1957-2000 248 2001-2008
Rib eye muscle area 2339 1957-2006 892 2007-2008
Scrotal circumference 2025 1957-2004 439 2005-2008
Weaning weight 2510 1957-2006 681 2007-2008
Yearling height 1843 1957-2003 396 2004-2008
Yearling weight 2182 1957-2004 573 2005-2008
  1. Numbers and ranges from partitioning of older animals for training and younger animals for validation