The dataframe contains the genotype frequencies in generic notation, AA, AB and BB the first 225 polymorphic SNPs without missing data on chromosome 1 of the Han Chinese in Beijing. The data are compiled from the HapMap project, phase 3.2, containing genotype information of 84 individuals.
data(HapMapCHBChr1)
A matrix containing 225 rows and 3 columns (AA, AB, BB).
The International HapMap Consortium (2007). A second generation human haplotype map of over 3.1 million SNPs Nature 449, pp. 851--861.