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[会议论文] 作者：Guangren Yang,Wang Zhou,
来源：上海交通大学 年份：2016
In this paper we will propose two new estimators for sparse covariance matrix.Our starting point is to make the estimator of each element of covariance matrix more robust....
Analysis of Stratified Mark-Specific Proportional Hazards Models under Two-Phase Sampling with Appli
[会议论文] 作者：Yanqing Sun,Guangren Yang,Li Qi,Peter B.Gilbert,
来源：上海交通大学 年份：2016
An objective of preventive HIV vaccine efficacy trials is to understand how vaccineinduced immune responses to specific protein sequences of HIV associate with subsequent infection with specific seque...
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