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Genetic association test based on principal component analysis
Journal article   Peer reviewed

Genetic association test based on principal component analysis

Zhongxue Chen, Shizhong Han and Kai Wang
Statistical applications in genetics and molecular biology, Vol.16(3), pp.189-198
07/26/2017
DOI: 10.1515/sagmb-2016-0061
PMID: 28672760

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Abstract

Many gene- and pathway-based association tests have been proposed in the literature. Among them, the SKAT is widely used, especially for rare variants association studies. In this paper, we investigate the connection between SKAT and a principal component analysis. This investigation leads to a procedure that encompasses SKAT as a special case. Through simulation studies and real data applications, we compare the proposed method with some existing tests.
Genetic Variation Genetic Association Studies - methods Models, Genetic Principal Component Analysis Computer Simulation Humans

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