2 papers
stat.ME2026
Robust Dual-Regularized Variable Selection under Outlier Contamination
Abdul-Nasah Soale, Adewale F. Lukman, Essoham Ali
Real data often contain unusual observations that can exert disproportionate effects on variable selection, especially in complex predictor settings. We propose a two-stage {\it sp…
stat.ME2025
Adaptive Influence Diagnostics in High-Dimensional Regression
Abdul-Nasah Soale, Adewale Lukman
An adaptive Cook's distance (ACD) for diagnosing influential observations in high-dimensional single-index models with multicollinearity and outlier contamination is proposed. ACD…