Xi knows about....

• Machine learning
• High-dimensional statistics
• Optimization under Uncertainty
• Operations Research
• Statistics for Business Control, Regression, and Forecasting Models
• Regression and Forecasting Models
• Stochastic modeling
• Machine learning and Statistical Inference for high-dimensional and structured data analysis
• Optimization methods and theory for large-scale and high-dimensional data analysis.
• Learning from collective intelligence
• statistical learning and online decision making for crowdsourcing
• Operations research/management problems, such as the optimal network design in process flexibility, approximate dynamic programming and revenue management.
• Applications to web text mining
• recommendation systems
• financial data anlaysis
• environmental data analysis
• bioinformatics