Table 13. Results of all datasets.

	EM	LR	SVR	WELM k = 100	KELM k = 100	ELM k = 100	DCS-ELM Chebyshev	DCS-ELM Iterative	DCS-ELM Logistic	DCS-ELM Piecewise	DCS-ELM Tent
Energy1	R2	0.92	0.91	0.9336	0.9055	0.9809	0.8672	0.9905	0.8723	0.9826	0.9794
	RMSE	2.9421	2.09736	2.5596	3.0598	1.5470	5.5700	1.2450	4.9494	1.6421	1.2402
	MAE	2.0877	2.0435	1.9333	2.3510	1.0524	3.1354	0.8039	2.8124	1.0862	0.8969
Energy2	R2	0.89	0.88	0.9516	0.8838	0.9730	0.9478	0.9779	0.9626	0.9708	0.9636
	RMSE	3.2188	3.2484	2.0968	3.1851	2.0885	2.2023	1.7219	2.4084	1.9607	2.6307
	MAE	2.2643	2.2441	1.5415	2.3735	1.1709	1.5281	1.0744	1.5189	1.1168	1.2881
House	R2	0.57	0.56	0.6041	0	0.5677	0.5932	0.6087	0.5676	0.6143	0.5292
	RMSE	8.9474	9.041	8.0768	29.2569	7.3118	7.2347	6.6873	7.4086	6.5335	7.2982
	MAE	6.2745	6.2238	5.7113	24.6785	5.5837	5.7505	5.0731	5.7930	5.2752	5.7343
Servo	R2	0.48	0.17	0.4936	0.6997	0.7893	0.7189	0.8271	0.2270	0.8265	0.7924
	RMSE	1.1348	1.4304	1.0887	0.7698	0.4511	0.5118	0.3574	0.8743	0.6183	0.3832
	MAE	0.9169	0.7850	0.7978	0.5153	0.3549	0.4323	0.2626	0.6280	0.4905	0.2798
Vfunnel	R2	0.7820	0.8011	0.6995	0.6746	0.6617	0.6894	0.7056	0.6949	0.6794	0.6656
	RMSE	2.2727	2.1707	2.4589	2.6789	2.8365	2.4968	2.0798	2.8948	2.7398	2.8453
	MAE	1.8330	1.7657	1.9675	2.2002	2.0797	2.2025	1.6262	2.4825	2.1089	2.5755
T50	R2	0.7669	0.7705	0.8569	0.7577	0.8565	0.8499	0.8533	0.8687	0.8665	0.8528
	RMSE	2.2360	2.2190	1.5121	2.1675	1.0099	0.9122	1.0020	0.8541	1.0644	1.0727
	MAE	1.6917	1.5372	0.9690	1.6974	0.7960	0.7198	0.7318	0.6539	0.8750	0.7789
Slump-flow	R2	0.6123	0.6607	0.6247	0.4873	0.6324	0.6862	0.6999	0.6453	0.6942	0.6251
	RMSE	3.8928	3.6417	3.3328	4.4134	2.7543	2.4183	2.1685	2.8308	2.1747	3.0299
	MAE	2.9481	2.6285	2.3177	3.3497	1.9247	1.7383	1.5668	2.0878	1.4862	1.7589
fc	R2	0.7307	0.7630	0.7541	0.7298	0.7604	0.7905	0.8183	0.7882	0.8235	0.7750
	RMSE	6.5560	6.1514	5.1207	5.9819	5.5749	6.2847	5.2188	4.4419	4.8539	4.8080
	MAE	4.6861	4.3750	3.8332	4.5412	4.1536	4.8892	3.7992	3.3678	3.3575	3.5935