Article
Bivariate association analysis in selected samples: application to a GWAS of two bone mineral density phenotypes in males with high or low BMD.
European journal of human genetics : EJHG - 1 Jun 2011
Saint-Pierre Aude, Kaufman Jean-Marc, Ostertag Agnes, Cohen-Solal Martine, Boland Anne, Toye Kaatje, Zelenika Diana, Lathrop Mark, de Vernejoul Marie-Christine, Martinez Maria
Abstract excerpt
Our specific aims were to evaluate the power of bivariate analysis and to compare its performance with traditional univariate analysis in samples of unrelated subjects under varying sampling selection designs. Bivariate association analysis was based on the seemingly unrelated regression (SUR) model that allows different genetic models for different traits. We conducted extensive simulations for the case of two...
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