3 papers
stat.ME2025
ADOPT: Additive Optimal Transport Regression
Wookyeong Song, Hans-Georg Müller
Regression analysis for responses taking values in general metric spaces has received increasing attention, particularly for settings with Euclidean predictors …
stat.ME2025
Inference for Dispersion and Curvature of Random Objects
Wookyeong Song, Hans-Georg Müller
There are many open questions pertaining to the statistical analysis of random objects, which are increasingly encountered. A major challenge is the absence of linear operations in…
stat.ME2020
Multi-feature Clustering of Step Data using Multivariate Functional Principal Component Analysis
Wookyeong Song, Hee-Seok Oh, Yaeji Lim +1
This paper presents a new statistical method for clustering step data, a popular form of health record data easily obtained from wearable devices. Since step data are high-dimensio…