F-statistics.

(A)f3(Target; S1, S2) only for comparisons including Native American components (B) f4(YRI, Target; S1, S2) only for comparisons including Native American components (C) f3(YRI; X, Y) only for comparisons including Ancient Beringia, Mixe and Native American components (D) f3(YRI; X, Y) where X and Y can be either an ancient group or one of the four Native American components. (E) f4(YRI, X; Ancient Beringia, Ancient) only for comparisons including between a Native American components (X) and an ancient group (Ancient). (F) f4(YRI, Ancient, X, Y) only for comparisons including two Native American components (X, Y) and an ancient group (Ancient). (G) f4(Ancient, X; Y, YRI) only for comparisons including two Native American components (X, Y) and an ancient group (Ancient). YRI: Yoruba from 1KGP. (XLSX)