3 papers
stat.ME2026
Exact Coordinate Descent for High-Dimensional Regularized Huber Regression
Younghoon Kim, Po-Ling Loh, Sumanta Basu
This study develops a coordinate descent algorithm for high-dimensional Huber regression with an elastic-net penalty. Unlike existing gradient descent algorithms and coordinate des…
stat.ME2025
Identification of Emotionally Stressful Periods Through Tracking Changes in Statistical Features of mHealth Data
Younghoon Kim, Sumanta Basu, Samprit Banerjee
Identifying the onset of emotional stress in older patients with mood disorders and chronic pain is crucial in mental health studies. To this end, studying the associations between…
stat.AP2025
A co-segmentation algorithm to predict emotional stress from passively sensed mHealth data
Younghoon Kim, Sumanta Basu, Samprit Banerjee
We develop a data-driven co-segmentation algorithm of passively sensed and self-reported active variables collected through smartphones to identify emotionally stressful states in…