Table 2.
Correlations between Individual Ancestry Estimated by Maximum Likelihood and Principal-Component Analysis
|
Ancestral Proportions Estimated by Maximum Likelihood |
||||||
| African |
European |
Native American |
||||
| PrincipalComponent | CorrelationCoefficienta | P Valueb | CorrelationCoefficienta | P Valueb | CorrelationCoefficienta | P Valueb |
| 1st | .9718 | .0000 | −.8523 | .0000 | −.2884 | .0000 |
| 2nd | −.0085 | 1.0000 | −.0656 | 1.0000 | .1018 | .3458 |
| 3rd | −.0589 | 1.0000 | −.1619 | .0027 | .3076 | .0000 |
| 4th | .0048 | 1.0000 | .1034 | .3102 | −.1477 | .0101 |
a
Pearson correlation coefficient for the comparison of ancestry with principal component.
b
Bonferroni-corrected P value.