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k-Resolution sequential randomization procedure to improve covariates balance in a randomized experiment 期刊论文
STATISTICS IN MEDICINE, 2021, 页码: 13
作者:  Long, Mingya;  Sun, Liuquan;  Li, Qizhai
收藏  |  浏览/下载：176/0  |  提交时间：2021/10/26
asymptotic variance  balancing allocation  clinical  complete randomization  Mahalanobis distance  pairwise sequential randomization  rerandomization  treatment effect  
Nonparametric estimation of distributions and diagnostic accuracy based on group-tested results with differential misclassification 期刊论文
BIOMETRICS, 2020, 页码: 10
作者:  Zhang, Wei;  Liu, Aiyi;  Li, Qizhai;  Albert, Paul S.
收藏  |  浏览/下载：172/0  |  提交时间：2020/10/12
coverage probability  diagnostic accuracy  differential misclassification  group testing  integrated absolute bias  integrated mean squared error  rare disease  ROC curves  
A cluster-adjusted rank-based test for a clinical trial concerning multiple endpoints with application to dietary intervention assessment 期刊论文
BIOMETRICS, 2019, 卷号: 75, 期号: 3, 页码: 821-830
作者:  Zhang, Wei;  Liu, Aiyi;  Tang, Larry L.;  Li, Qizhai
收藏  |  浏览/下载：202/0  |  提交时间：2020/01/10
generalized Behrens-Fisher hypothesis  multivariate distributions  nonparametrics  rank statistics  type I errors  power of test  
A Powerful Method To Test Associations Between Ordinal Traits and Genotypes 期刊论文
G3-GENES GENOMES GENETICS, 2019, 卷号: 9, 期号: 8, 页码: 2573-2579
作者:  Wang, Jinjuan;  Ding, Juan;  Huang, Shouyou;  Li, Qizhai;  Pan, Dongdong
收藏  |  浏览/下载：165/0  |  提交时间：2020/01/10
association study  ordinal phenotype  latent normal variate  generalized estimating equation  M-estimation  
Testing Association between Mixed Type Outcomes and Covariates Jointly by the Use of a Latent Variable 期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7, 期号: 8006, 页码: 10
作者:  Zhu, Jiayan;  Zhang, Wei;  Li, Qizhai;  Li, Zhengbang;  Zhu, Jiayan;  Zhang, Wei;  Li, Qizhai;  Li, Zhengbang
浏览  |  Adobe PDF(2766Kb)  |  收藏  |  浏览/下载：535/143  |  提交时间：2018/07/30
Power Calculation of Multi-step Combined Principal Components with Applications to Genetic Association Studies 期刊论文
SCIENTIFIC REPORTS, 2016, 卷号: 6, 页码: 10
作者:  Li, Zhengbang;  Zhang, Wei;  Pan, Dongdong;  Li, Qizhai
收藏  |  浏览/下载：134/0  |  提交时间：2018/07/30