Refining Covariance Matrix Estimation in Stochastic Gradient Descent through Bias Reduction
We propose a fully online, Hessian-free debiased covariance estimator for SGD that achieves faster convergence.
Jan 1, 2026
A Statistical Theory of Overfitting for Imbalanced Classification
Overfitting in high-dimensional imbalanced classification arises from truncation/skewing effects on the logit distribution.
Jan 1, 2026
Exploring the association between quantified road safety target attributes and their success: An empirical analysis from OECD countries using panel data
Jan 1, 2023
Appraising road safety attainment by CRITIC-ELECTRE-FCM: a policymaking support for Southeast Asia
Jan 1, 2022
Benchmarking road safety development across OECD countries: an empirical analysis for a decade
Jan 1, 2020