A Simulation Study of Permutation, Bootstrap, and Gene Dropping for Assessing Statistical Significance in the Case of Unequal Relatedness

被引:36
作者
Cheng, Riyan [1 ]
Palmer, Abraham A. [1 ,2 ]
机构
[1] Univ Chicago, Dept Human Genet, Chicago, IL 60637 USA
[2] Univ Chicago, Dept Psychiat & Behav Neurosci, Chicago, IL 60637 USA
基金
美国国家卫生研究院;
关键词
QUANTITATIVE TRAIT LOCI; ADVANCED INTERCROSS LINES; GENOME-WIDE ASSOCIATION; APPROXIMATE THRESHOLDS; TESTS; POPULATION; VARIANCE;
D O I
10.1534/genetics.112.146332
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
We used simulations to evaluate methods for assessing statistical significance in association studies. When the statistical model appropriately accounted for relatedness among individuals, unrestricted permutation tests and a few other simulation-based methods effectively controlled type I error rates; otherwise, only gene dropping controlled type I error but at the expense of statistical power.
引用
收藏
页码:1015 / +
页数:16
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