ResearchBenchmarksRegression on Power no contaminationFollow4.04RMSEGP4.00444.24474.4854.7253May 28, 2026Evaluation ResultsMethodMethodLinksRMSEESS (theta)ESS (y)GP2026.054.045.1100EM2026.054.1264.5100ℓ2-IRLS2026.054.1262.299.1ℓ1-IRLS2026.054.146.2100MacKay2026.054.154.497.3Huber2026.054.1710097Ridge2026.054.2291.4100Student-t2026.054.2610098.1Grad. (Primal)2026.054.415.742.3Grad. (Dual)2026.054.415.642.3OLS2026.054.93100100