Extended Data Fig. 7: Nextera and Twist callset population assignment.
![Extended Data Fig. 7](http://media.springernature.com/full/springer-static/esm/art%3A10.1038%2Fs41588-022-01156-2/MediaObjects/41588_2022_1156_Fig9_ESM.jpg)
Principal components for a, c, before removing non-European samples for Twist and Nextera respectively. b, d, after removing non-European samples for Twist and Nextera respectively. Principal components generated from the 1000 Genome Project Phase III data and different colors stand for different continental / superpopulations. Study subjects (black dots) were projected onto principal components.