Article
A gene-based test of association through an orthogonal decomposition of genotype scores.
Human genetics - 1 Oct 2017
Chen Zhongxue, Wang Kai
Abstract excerpt
The burden test and the sequence kernel association test (SKAT) are two popular methods for detecting association with rare variants. Treated as two different sources of association information, they are adaptively combined to form an optimal SKAT (SKAT-O) method for optimal power. We show that the burden test is part of rather than independent of the SKAT. We introduce a new test statistic that is the sum of the...
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