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. 2022 Apr 12;17(4):e0261165. doi: 10.1371/journal.pone.0261165

Fig 1. Scatterplot of Principal Component 1 (PC1) vs Principal Component 2 (PC2) from EIGENSTRAT ancestry analysis.

Fig 1

(A) Scatter plot of PCs 1 & 2 prior to ancestry pruning, with subjects colored according to their predicted genetic ancestry. Yellow box indicates the region encompassing 6 s.d on PC1 and PC2. (B) Scatter plot of PCs 1 & 2 prior to ancestry pruning, with subjects colored by case/control status. Yellow box indicates the region encompassing 6 s.d on PC1 and PC2. (C) Scatter plot of PCs 1 & 2 after ancestry pruning and PCA outlier removal.