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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:147/0  |  提交时间:2022/04/02
Model selection  Inverse probability weight  Model misspecification  Missing at random  Kullback-Leibler divergence  Robust  
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:155/0  |  提交时间:2021/10/26
Missing responses  Model averaging  Cross-validation  Asymptotic optimality  
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:198/0  |  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:223/0  |  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:198/0  |  提交时间:2018/07/30
borrowing missingness information  missing data  ultrahigh dimensionality  variable screening