Table 1.

Methods of ancestry informative PC selection.

Method	First Author
Adjusting for a fixed number of PCs	Price[2]
Tracy-Wisdom statistic	Patterson[1]
Regression of outcome on PCs	Novembre[23], Peloso[20]
Reduction in inflation of genomic control lambda	Yu[4]
PC-Finder	Li[21]
10% rule	Jewell[24]
PCs + cluster	Li[25]