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Open Access Research article

Choice of population structure informative principal components for adjustment in a case-control study

Gina M Peloso and Kathryn L Lunetta*

Author Affiliations

Department of Biostatistics, Boston University School of Public Health, 801 Massachusetts Avenue, Boston MA, 02118, USA

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BMC Genetics 2011, 12:64  doi:10.1186/1471-2156-12-64

Published: 19 July 2011

Additional files

Additional file 1:

Supplemental Figure 1. Empirical Type I error and power for increasing risk allele frequency differences.

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Additional file 2:

Supplemental Figure 2. Empirical Type I error and power with 4 sub-populations.

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Additional file 3:

Supplemental Figure 3. Power for 2 sub-populations and positive confounding.

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Open Data