| Midterm project for Health Economics by Wei Zhang, Wei yan and Xinyu Zhou We collected online questionnaires for the project (N=174), and I applied Logistics regression / linear regression / bootstrap sampling to analyze the data! |  |
| SRS_and_Stratified_sampling by Xinyu Zhou Homework, Stats 262 Theory and Practice of Sample Survey (Doctoral Elective Course), Department of Statistics, ICS@UC Irvine. This project used dataset "Student performance in California schools". In this project, I sampled 60 schools for a pilot study to estimate stratum variances, and use Neyman’s allocation to sample 600 schools to estimate the population mean. Statistical package such as R is applied in this assignment. |  |