Principal component analysis of genetic data

  title={Principal component analysis of genetic data},
  author={David Reich and Alkes L. Price and Nick Patterson},
  journal={Nature Genetics},
Principal component analysis (PCA) has been a useful tool for analysis of genetic data, particularly in studies of human migration. A new study finds evidence that the observed geographic gradients, traditionally thought to represent major historical migrations, may in fact have other interpretations. 

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The History and Geography of Human Genes

  • L. L. Cavalli-Sforza, P. Menozzi, A. Piazza
  • 1994

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