2 way: 
[7 inds] [2966 donors] [minor ancestry = 0.38] [#generations = 0.19]
 E[r^2] = 0.553 
 Fst = -0.000 
 Rst = 0.001
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
 No admixture signal (too few estimated generations). 
 Very low Fst between groups (cannot tell apart). 
3 way: 
[7 inds] [2966 donors] [minor ancestry = 0.03] [#generations = 9.58]
 E[r^2] = 0.433 
 Fst = -0.001(1:2) | 0.049(1:3) | -0.008(2:3) 
 Rst = -0.002(1:2) | 0.015(1:3) | 0.015(2:3)
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
 Very low Fst between groups (cannot tell apart). 
 Very low Rst between groups (cannot tell apart).