3 papers
stat.ME2026
Estimation of heterogeneous principal effects under principal ignorability
Rui Zhang, Charles R. Doss, Jared D. Huling
We study estimation and inference for heterogeneous principal causal effects with binary treatments and binary intermediate variables. Principal causal effects are subgroup effects…
stat.ME2018
Bandwidth selection for kernel density estimators of multivariate level sets and highest density regions
Charles R. Doss, Guangwei Weng
We consider bandwidth matrix selection for kernel density estimators (KDEs) of density level sets in , . We also consider estimation of highest density regio…
math.ST2018
Concave regression: value-constrained estimation and likelihood ratio-based inference
Charles R. Doss
We propose a likelihood ratio statistic for forming hypothesis tests and confidence intervals for a nonparametrically estimated univariate regression function, based on the shape r…