Fig. 3

PCA of individuals with inferred East Asian American, European American, and Hispanic Latino American genetic ancestry in ATLAS captures fine-scale subcontinental ancestry groupings. PCA was performed separately within each continental GIA in ATLAS with the corresponding subcontinental ancestry samples from 1000 Genomes: A East Asian American, B European American, C Hispanic Latino American. Cluster annotation labels were determined using a combination of samples from 1000 Genomes and self-identified race, ethnicity, and language information from the EHR