665 citations · 942 across the 38 of their papers we have counts for
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stat.ME2026
Stable Causal Estimation with Optimal Transport
Yidan Xu, Yixin Wang, XuanLong Nguyen
In observational studies, the overlap assumption, also called positivity, is frequently strained in practice. Limited overlap destabilizes widely used estimators such as inverse pr…
stat.ME2021
Modeling Random Directions in 2D Simplex Data
Rayleigh Lei, XuanLong Nguyen
We propose models and algorithms for learning about random directions in two-dimensional simplex data, and apply our methods to the study of income level proportions and their chan…
stat.ME2010
Inference of global clusters from locally distributed data
XuanLong Nguyen
We consider the problem of analyzing the heterogeneity of clustering distributions for multiple groups of observed data, each of which is indexed by a covariate value, and inferrin…