3 papers
stat.ML2026
Multivariate Time Series Data Imputation via Distributionally Robust Regularization
Che-Yi Liao, Zheng Dong, Gian-Gabriel Garcia +1
Multivariate time series imputation is often compromised by mismatch between the observed and true data distributions, a bias induced by the combined effects of time-series non-sta…
cs.LG2025
Who Gets Watched? Allocating Scarce Escalation Resources on Pediatric Wards with Neural Index Policies
Himadri S. Pandey, Kai Wang, Mark V. Mai +2
Problem definition: Hospitals use separate pathways to identify and respond to deteriorating ward patients. At Children's Healthcare of Atlanta (CHOA), these include Watcher survei…
stat.AP2024
Who's the GOAT? Sports Rankings and Data-Driven Random Walks on the Symmetric Group
Gian-Gabriel P. Garcia, J. Carlos Martínez Mori
Given a collection of historical sports rankings, can one tell which player is the greatest of all time (i.e., the GOAT)? In this work, we design a data-driven random walk on the s…