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stat.ME2025
Robust Spatial Confounding Adjustment via Basis Voting
Anik Burman, Elizabeth L. Ogburn, Abhirup Datta
Estimating effects of spatially structured exposures is complicated by unmeasured spatial confounders, which undermine identifiability in spatial linear regression models unless st…
stat.ME2024
Visibility graph-based covariance functions for scalable spatial analysis in non-convex domains
Brian Gilbert, Abhirup Datta
We present a new method for constructing valid covariance functions of Gaussian processes for spatial analysis in irregular, non-convex domains such as bodies of water. Standard co…