Article
Statistical tests for detecting associations with groups of genetic variants: generalization, evaluation, and implementation.
European journal of human genetics : EJHG - 1 Jun 2013
Ferguson John, Wheeler William, Fu Yiping, Prokunina-Olsson Ludmila, Zhao Hongyu, Sampson Joshua
Abstract excerpt
With recent advances in sequencing, genotyping arrays, and imputation, GWAS now aim to identify associations with rare and uncommon genetic variants. Here, we describe and evaluate a class of statistics, generalized score statistics (GSS), that can test for an association between a group of genetic variants and a phenotype. GSS are a simple weighted sum of single-variant statistics and their cross-products. We...
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