Xiaozhao Yousef Yang

Online Materials

Interactive Tools

Web App

Prefecture-level AI Development Tracker

中国市级地区智能水平追踪

Interactive visualization tracking AI development levels across 298 prefecture-level cities in China, 2000–2023 based on firms and business with AI keywords

Cite as

Yang, Xiaozhao Y., & Huang, Jingzhu. (2026). Prefecture-level AI development tracker (中国市级地区智能水平追踪) [Interactive data visualization]. https://yousefyang.github.io/china-ai-visualization.html

Open App →
Simulation

Stochastic Drift Simulator

Demonstrates how random demographic processes in small communities can produce systematic health gradients — without selection or causal drivers. Educational tool for sociological theory.

Launch →

Replication Code & Data

Replication Code

Network Scale-Up Method

R code for estimating religious populations using the network scale-up method — a practical alternative to self-report surveys.

Yang, X. Y., & Yang, F. (2017). Estimating religious populations with the network scale‐up method. Journal for the Scientific Study of Religion, 56(4), 703–719.

Code →
Survey Data

China Gen-Z Health Behavior Survey

Multistage complex survey of adolescents and young adults aged 15–28 across four regions of China (2022–2023). Sample design and sampling manual available for download.

Manual →