3 papers
math.ST2026
On Local Inference for Functionals of Ill-Posed Inverse Problems
Ellen Graham, Andrea Rotnitzky
We study inference for continuous linear functionals of solutions to ill-posed inverse problems, including Euclidean parameters arising in nonparametric instrumental variables, pro…
stat.ME2025
Nonparametric Identification and Estimation of Ratios of Multi-Category Means under Preferential Sampling
Grant Hopkins, Sarah Teichman, Ellen Graham +1
Multi-category data arise in diverse fields including marketing, chemistry, public policy, genomics, political science, and ecology. We consider the problem of estimating ratios of…
math.ST2024
Towards a Unified Theory for Semiparametric Data Fusion with Individual-Level Data
Ellen Graham, Marco Carone, Andrea Rotnitzky
We address the goal of conducting inference about a smooth finite-dimensional parameter by utilizing individual-level data from various independent sources. Recent advancements hav…