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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：162/0  |  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：150/0  |  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 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：153/0  |  提交时间：2020/01/10
association study  ordinal phenotype  latent normal variate  generalized estimating equation  M-estimation  
Evaluating the Accuracy of Small P-Values In Genetic Association Studies Using Edgeworth Expansions 期刊论文
SCANDINAVIAN JOURNAL OF STATISTICS, 2018, 卷号: 45, 期号: 1, 页码: 1-33
作者:  Zheng, Gang;  Xiong, Jinghong;  Li, Qizhai;  Xu, Jinfeng;  Yuan, Ao;  Gastwirth, Joe L.
收藏  |  浏览/下载：163/0  |  提交时间：2018/07/30
chi-squared test  Edgeworth expansion  maximin efficiency robust test (MERT)  maximum likelihood estimate  nuisance parameter  
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：476/131  |  提交时间：2018/07/30
D-OPTIMALITY OF GROUP TESTING FOR JOINT ESTIMATION OF CORRELATED RARE DISEASES WITH MISCLASSIFICATION 期刊论文
STATISTICA SINICA, 2017, 卷号: 27, 期号: 2, 页码: 823-838
作者:  Li, Qizhai;  Liu, Aiyi;  Xiong, Wenjun
收藏  |  浏览/下载：123/0  |  提交时间：2018/07/30
Binary outcomes  classification error  D-optimal criterion  group testing  maximum likelihood estimate  prevalence  
Least squares regression methods for clustered ROC data with discrete covariates 期刊论文
BIOMETRICAL JOURNAL, 2016, 卷号: 58, 期号: 4, 页码: 747-765
作者:  Tang, Liansheng Larry;  Zhang, Wei;  Li, Qizhai;  Ye, Xuan;  Chan, Leighton
收藏  |  浏览/下载：111/0  |  提交时间：2018/07/30
Biomarker  Clustered data  Empirical function  ROC  
An MSE-reduced estimator for the response proportion in a two-stage clinical trial 期刊论文
PHARMACEUTICAL STATISTICS, 2011, 卷号: 10, 期号: 3, 页码: 277-279
作者:  Li, Qizhai
收藏  |  浏览/下载：98/0  |  提交时间：2018/07/30
truncated binomial distribution  clinical trial  MLE  mean-square error  
Assessment of cell number for a multinomial distribution with application to genomic data 期刊论文
METRIKA, 2010, 卷号: 71, 期号: 2, 页码: 151-164
作者:  Li, Qizhai;  Li, Guoying;  Xiong, Shifeng
收藏  |  浏览/下载：94/0  |  提交时间：2018/07/30
Multinomial distribution  Quadratic programming  Gene expression  Expression abundance  Expression sequence tags  
Inference of non-centrality parameter of a truncated non-central chi-squared distribution 期刊论文
JOURNAL OF STATISTICAL PLANNING AND INFERENCE, 2009, 卷号: 139, 期号: 7, 页码: 2431-2444
作者:  Li, Qizhai;  Yu, Kai
收藏  |  浏览/下载：92/0  |  提交时间：2018/07/30
Truncated non-central chi-squared distribution  Moment estimate  Mean-squared error  Generalized Bayes rule  Inadmissibility