Efficient multivariate linear mixed model algorithms for genome-wide association studies.
Efficient multivariate linear mixed model algorithms for genome-wide association studies.
复制标题
用于全基因组关联研究的有效多元线性混合模型算法。
DOI:
10.1038/nmeth.2848
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发表时间:
2014-04
期刊:
影响因子:
48
通讯作者:
Stephens, Matthew
中科院分区:
文献类型:
--
作者:
Zhou, Xiang;Stephens, Matthew
Multivariate linear mixed models (mvLMMs) are powerful tools for testing SNP associations with multiple correlated phenotypes while controlling for population stratification in genome-wide association studies. We present computationally-efficient algorithms for fitting mvLMMs and computing likelihood ratio tests that improve on existing approximate methods in i) computation speed, ii) power/p value calibration, iii) ability to deal with more than two phenotypes. We illustrate these features on real and simulated data.
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