Inferred admixture history of real data sets. Inferred admixture history of (a) African Americans, (b) Mexicans, (c) Uyghurs, and (d) Hazaras. The time of the first wave admixture was the average of estimations for time t0 and t1. AMI denotes the combined data set of populations Maya and Pima, which represent American Indian ancestry, Han denotes Han population, which represent Asian ancestry, Fre denotes French population, which represent European ancestry