A Neyman-orthogonal estimator for risk heterogeneity between groups is consistent and asymptotically normal, reduces finite-sample bias relative to likelihood methods in simulations, and identifies ethnicity-specific effects in eICU mortality data that standard approaches miss.
arXiv preprint arXiv:2507.21783 , year=
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Robust inference for risk heterogeneity under group imbalance
A Neyman-orthogonal estimator for risk heterogeneity between groups is consistent and asymptotically normal, reduces finite-sample bias relative to likelihood methods in simulations, and identifies ethnicity-specific effects in eICU mortality data that standard approaches miss.