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Surrogate space based dimension reduction for nonignorable nonresponse 期刊论文
COMPUTATIONAL STATISTICS & DATA ANALYSIS, 2022, 卷号: 168, 页码: 18
作者:  Deng, Jianqiu;  Yang, Xiaojie;  Wang, Qihua
收藏  |  浏览/下载：153/0  |  提交时间：2022/04/02
Sufficient dimension reduction  Nonignorable nonresponse  Cumulative mean estimation  Exponential tilting model  Regression calibration  Surrogate subspace  
A convex programming solution based debiased estimator for quantile with missing response and high-dimensional covariables 期刊论文
COMPUTATIONAL STATISTICS & DATA ANALYSIS, 2022, 卷号: 168, 页码: 14
作者:  Su, Miaomiao;  Wang, Qihua
收藏  |  浏览/下载：123/0  |  提交时间：2022/04/02
High dimensions  Missing at random  Marginal response quantile  Optimal weights  Selection probability function  
Robust model selection with covariables missing at random 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2021, 页码: 19
作者:  Liang, Zhongqi;  Wang, Qihua;  Wei, Yuting
收藏  |  浏览/下载：131/0  |  提交时间：2022/04/02
Model selection  Inverse probability weight  Model misspecification  Missing at random  Kullback-Leibler divergence  Robust  
Surrogate-variable-based model-free feature screening for survival data under the general censoring mechanism 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2021, 页码: 19
作者:  Zhang, Jing;  Wang, Qihua;  Wang, Xuan
收藏  |  浏览/下载：147/0  |  提交时间：2021/10/26
Feature screening  Model-free  Sure screening property  Survival data  Ultrahigh dimensionality  
Cross-validation-based model averaging in linear models with response missing at random 期刊论文
STATISTICS & PROBABILITY LETTERS, 2021, 卷号: 171, 页码: 6
作者:  Wei, Yuting;  Wang, Qihua
收藏  |  浏览/下载：138/0  |  提交时间：2021/10/26
Missing responses  Model averaging  Cross-validation  Asymptotic optimality  
Determination and estimation of optimal quarantine duration for infectious diseases with application to data analysis of COVID-19 期刊论文
BIOMETRICS, 2021, 页码: 10
作者:  Wang, Ruoyu;  Wang, Qihua
收藏  |  浏览/下载：164/0  |  提交时间：2021/04/26
incubation period  kernel estimation  maximum likelihood  optimal solution  probability constraint  statistical modeling  
Model averaging for linear models with responses missing at random 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2020, 页码: 19
作者:  Wei, Yuting;  Wang, Qihua;  Liu, Wei
收藏  |  浏览/下载：184/0  |  提交时间：2020/09/23
Missing responses  Missing at random  Model averaging  Asymptotic optimality  
Joint feature screening for ultra-high-dimensional sparse additive hazards model by the sparsity-restricted pseudo-score estimator 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2019, 卷号: 71, 期号: 5, 页码: 1007-1031
作者:  Chen, Xiaolin;  Liu, Yi;  Wang, Qihua
收藏  |  浏览/下载：199/0  |  提交时间：2020/01/10
Additive hazards model  Joint feature screening  Iterative hard-thresholding algorithm  Sure screening property  
How to Make Model-free Feature Screening Approaches for Full Data Applicable to the Case of Missing Response? 期刊论文
SCANDINAVIAN JOURNAL OF STATISTICS, 2018, 卷号: 45, 期号: 2, 页码: 324-346
作者:  Wang, Qihua;  Li, Yongjin
收藏  |  浏览/下载：184/0  |  提交时间：2018/07/30
borrowing missingness information  missing data  ultrahigh dimensionality  variable screening  
Model-free feature screening for ultrahigh-dimensional data conditional on some variables 期刊论文
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 2018, 卷号: 70, 期号: 2, 页码: 283-301
作者:  Liu, Yi;  Wang, Qihua
收藏  |  浏览/下载：207/0  |  提交时间：2018/07/30
Conditional distance correlation  Feature selection  Sure screening property  High-dimensional data