3 papers
stat.ML2025
Policy-Oriented Binary Classification: Improving (KD-)CART Final Splits for Subpopulation Targeting
Lei Bill Wang, Zhenbang Jiao, Fangyi Wang
Policymakers often use recursive binary split rules to partition populations based on binary outcomes and target subpopulations whose probability of the binary event exceeds a thre…
econ.GN2025
Balancing Efficiency and Equity in Classroom Assignment under Endogenous Peer Effects
Lei Bill Wang, Zhenbang Jiao, Om Prakash Bedant +1
This paper presents a three-step empirical framework for optimizing classroom assignments under endogenous peer effects, using data from the China Education Panel Survey (CEPS). We…
stat.ME2024
Assessment of Case Influence in the Lasso with a Case-weight Adjusted Solution Path
Zhenbang Jiao, Yoonkyung Lee
We study case influence in the Lasso regression using Cook's distance which measures overall change in the fitted values when one observation is deleted. Unlike in ordinary least s…