This project is part of the Research Experiences for Undergraduates (REU) program in China. All of the team members of this project were undergraduates in statistics at Wuhan University. The faculty that supervised this project is Dr.Jieli Ding.
In this project, we
- conducted statistical simulations with case-cohort sampling (Case + SRS) design and compare its efficiency against simple random sampling (SRS) under cox proportional harzard model. ๐ป R code
- applied the methodology to the data from the third and fourth clinical trials of the US National Wilms Tumor Study Group (NWTSG). ๐ป R code