Bo Li

AUG 13, 2026 · PREPRINT

Doubly Robust Estimation of Causal Effect on CVR with Targeted Regularization

arXiv

This is an unrefereed methodological preprint proposing a new statistical estimator for causal inference in conversion-rate settings; it has not been peer reviewed and lacks clinical or real-world validation data.

AUG 11, 2026 · PREPRINT

ReOrder-OPD:Reliability-Aware Prompt Ordering for On-Policy Distillation

arXiv

A single-centre, uncontrolled algorithmic study with proxy-based validation on a fixed prompt pool; gains are reported but lack matched baselines and statistical significance testing, making this an early-stage method proposal requiring peer review and independent replication.