Imputation accuracy (R2) for SNP on chromosome 12 as a function of the difference in allelic frequencies. Accuracy of imputation using experimental data for the difference in allelic frequencies (blue circles) between founding breeds (Pietrain and Duroc). Local regression fit (red dots).
Gualdrón Duarte et al. BMC Genetics 2013 14:38 doi:10.1186/1471-2156-14-38