3 papers
stat.ME2026
A Moment-assisted Approach for Improving Subsampling-based MLE with Large-scale data
Miaomiao Su, Qihua Wang, Ruoyu Wang
The maximum likelihood estimation is computationally demanding for large datasets, particularly when the likelihood function includes integrals. Subsampling can reduce the computat…
stat.ME2026
Semiparametric Efficient Fusion of Individual Data and Summary Statistics
Wenjie Hu, Ruoyu Wang, Wei Li +1
Suppose we have individual data from an internal study and various summary statistics from relevant external studies. External summary statistics have the potential to improve stat…
stat.ME2025
A maximin optimal approach for sampling designs in two-phase studies
Ruoyu Wang, Qihua Wang, Wang Miao
Data collection costs can vary widely across variables in data science tasks. Two-phase designs can be employed to save data collection costs. This paper considers the two-phase st…