ResearchBenchmarksRegression on f4(x1, x2) 3D synthetic (test)Regression on f4(x1, x2) 3D synthetic (test)Follow0.0555RMSEHRT0.0545640.0608820.06720.073518May 22, 2026Evaluation resultsMethodMethodLinksRMSEMAER2HRT2026.050.05550.043699.73XGBoost2026.050.05560.043899.73CART2026.050.07890.057599.45