2e). Moreover, the projected data in such plots often appear less noisy, which enhances pattern recognition and data summary. Scale matters with PCA. We illustrate this by showing PC1 and PC2 ...

A week ago I reported that according to 23andMe I'm 40% Asian, and she is 8% Asian (in the future if I say "she" without explanation ... Here's an admixture plot which shows more realistically ...