Analysis of population structure: a unifying framework and novel methods based on sparse factor analysis.

We consider the statistical analysis of population structure using genetic data. We show how the two most widely used approaches to modeling population structure, admixture-based models and principal components analysis (PCA), can be viewed within a single unifying framework of matrix factorization....

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Bibliographic Details
Main Authors: Barbara E Engelhardt, Matthew Stephens
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2010-09-01
Series:PLoS Genetics
Online Access:http://europepmc.org/articles/PMC2940725?pdf=render