Article
Robust LOD scores for variance component-based linkage analysis.
Genetic epidemiology - 1 Jan 2000
Blangero J, Williams J T, Almasy L
Abstract excerpt
The variance component method is now widely used for linkage analysis of quantitative traits. Although this approach offers many advantages, the importance of the underlying assumption of multivariate normality of the trait distribution within pedigrees has not been studied extensively. Simulation studies have shown that traits with leptokurtic distributions yield linkage test statistics that exhibit excessive...
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