3 papers
stat.CO2024
An Online Updating Approach for Estimating and Testing Mediation Effects with Big Data Streams
Xueyan Bai, Haixiang Zhang
The use of mediation analysis has become increasingly popular in various research fields in recent years. The primary objective of mediation analysis is to examine the indirect eff…
stat.ME2024
Refitted cross-validation estimation for high-dimensional subsamples from low-dimension full data
Haixiang Zhang, HaiYing Wang
The technique of subsampling has been extensively employed to address the challenges posed by limited computing resources and meet the needs for expedite data analysis. Various sub…
stat.CO2023
DsubCox: A Fast Subsampling Algorithm for Cox Model with Distributed and Massive Survival Data
Haixiang Zhang, Yang Li, HaiYing Wang
To ensure privacy protection and alleviate computational burden, we propose a fast subsmaling procedure for the Cox model with massive survival datasets from multi-centered, decent…