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Wtest: an integrated R package for genetic epistasis testing.


ABSTRACT: BACKGROUND:With the increasing amount of high-throughput genomic sequencing data, there is a growing demand for a robust and flexible tool to perform interaction analysis. The identification of SNP-SNP, SNP-CpG, and higher order interactions helps explain the genetic etiology of human diseases, yet genome-wide analysis for interactions has been very challenging, due to the computational burden and a lack of statistical power in most datasets. RESULTS:The wtest R package performs association testing for main effects, pairwise and high order interactions in genome-wide association study data, and cis-regulation of SNP and CpG sites in genome-wide and epigenome-wide data. The software includes a number of post-test diagnostic and analysis functions and offers an integrated toolset for genetic epistasis testing. CONCLUSIONS:The wtest is an efficient and powerful statistical tool for integrated genetic epistasis testing. The package is available in CRAN: https://CRAN.R-project.org/package=wtest.

SUBMITTER: Sun R 

PROVIDER: S-EPMC6929460 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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wtest: an integrated R package for genetic epistasis testing.

Sun Rui R   Xia Xiaoxuan X   Chong Ka Chun KC   Zee Benny Chung-Ying BC   Wu William Ka Kei WKK   Wang Maggie Haitian MH  

BMC medical genomics 20191224 Suppl 9


<h4>Background</h4>With the increasing amount of high-throughput genomic sequencing data, there is a growing demand for a robust and flexible tool to perform interaction analysis. The identification of SNP-SNP, SNP-CpG, and higher order interactions helps explain the genetic etiology of human diseases, yet genome-wide analysis for interactions has been very challenging, due to the computational burden and a lack of statistical power in most datasets.<h4>Results</h4>The wtest R package performs a  ...[more]

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