harveyg.ped: Crossing history for 65 Hereford steers with genetic groups.
|A data frame with 3 columns and 77 rows:|
|Calf||A character vector|
|Sire||A character vector|
|Dam||A character vector|
Calf, sire and dam identities for 65 Hereford steers in 3 genetic groups. Additional rows to harvey.ped describe the genetic group structure.
Harvey WR (1960). “Least-squares Analysis of Data with Unequal Subclass Frequencies.” Technical Report ARS 20-8, USDA, Agricultural Research Service. Reprinted with corrections as ARS H-4, 1975.