Reposted by Alex Strudwick Young
Excited to share our preprint on PGI portability across ancestries—now on bioRxiv. With co-authors @aysuo.bsky.social, @paturley.bsky.social, @alextisyoung.bsky.social, and @Dan_J_Benjamin. Preprint: doi.org/10.1101/2025... Thread below for details.
doi.org
Dissecting the Predictive Accuracy of Polygenic Indexes for Behavioral Phenotypes Across Genetic Ancestries
Polygenic indexes (PGIs) trained on samples of European genetic ancestries often lose substantial predictive power when applied to non-European ancestries. While this portability problem is well recog...