Congratulations to Sanghee Chae, Eunyoung Ko, Yi Jeong Han, and Yeonsun Cho on graduating

Congratulations to Sanghee Chae, Eunyoung Ko, Yi Jeong Han, and Yeonsun Cho on graduating. Theses: Sanghee Chae (2019), A study of text embedding methods for Korean sentiment analysis; Eunyoung Ko (2019), Online optimization model for optimal portfolio with transaction cost; Yi Jeong Han (2019), Spatial analysis of extreme value using a smoothing spline regression; and Yeonsun Cho (2019), Trend filtering for the non-stationary Generalized Extreme Value distribution.