ResearchBenchmarksRegression on Concrete (R^2, RMSE, Active, k, % Symb.)Regression on Concrete (R^2, RMSE, Active, k, % Symb.)Follow0.924R^2Baseline0.86160.87780.8940.9102Nov 27, 2025Evaluation resultsMethodMethodLinksR^2RMSEActive Countk Value% Symb.BaselineShape=[13, 32, 1]Shape=[13, 32, 1]2025.110.9244.434486,7200S2KANShape=[13, 32, 1], β=0.1Shape=[13, 32, 1], β=0.12025.110.9094.84102134100S2KANShape=[13, 32, 1], β=0.5Shape=[13, 32, 1], β=0.52025.110.8645.932933100