Testing the robustness of the likelihood-ratio test in a variance-component quantitative-trait loci-mapping procedure.

Abstract excerpt

Detection of linkage to genes for quantitative traits remains a challenging task. Recently, variance components (VC) techniques have emerged as among the more powerful of available methods. As often implemented, such techniques require assumptions about the phenotypic distribution. Usually, multivariate normality is assumed. However, several factors may lead to markedly nonnormal phenotypic data, including (a)...

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