ResearchBenchmarksRegression on Simulated DGP (n=400, d=1)Follow0.003MSEPCHAL0.002960.003230.00350.00377Feb 11, 2026Evaluation ResultsMethodMethodLinksMSEPCHAL2026.020.003PCHAR2026.020.003HALRegularization=RidgeRegularization=Ridge2026.020.003k-NN2026.020.003RF2026.020.003KRR2026.020.003GAM2026.020.003HALRegularization=LassoRegularization=Lasso2026.020.004XGB2026.020.004MARS2026.020.004