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. 2021 Oct 2;14(19):5762. doi: 10.3390/ma14195762

Table 3.

Results of k-fold cross-validation.

K-Fold	Bagging				AdaBoost				GEP				DT
K-Fold	MAE	MSE	RMSE	R²	MAE	MSE	RMSE	R²	MAE	MSE	RMSE	R²	MAE	MSE	RMSE	R²
1	6.32	93.27	9.66	0.78	11.37	352.19	18.77	0.79	8.82	144.16	12.01	0.64	7.19	104.48	10.22	0.79
2	3.8	23.84	4.88	0.89	6.98	88.87	9.43	0.66	4.96	44.64	6.68	0.81	7.06	89.92	9.48	0.88
3	4.02	57.12	7.56	0.75	7.14	87.44	9.35	0.82	6.97	78.53	8.86	0.69	5.21	50.22	7.09	0.64
4	6.21	59.64	7.72	0.68	8.52	120.48	10.98	0.55	7.82	107.62	10.37	0.97	7.79	108.75	10.43	0.98
5	6.44	53.77	7.33	0.76	5.78	69.19	8.32	0.47	6.78	68.60	8.28	0.94	6.00	70.30	8.38	0.91
6	5.25	80.87	8.99	0.78	10.45	305.18	17.47	0.83	8.11	91.29	9.55	0.88	8.39	130.51	11.42	0.71
7	4.27	26.34	5.13	0.92	6.6	55.82	7.47	0.86	5.18	44.09	6.64	0.72	5.38	53.56	7.32	0.84
8	4.72	54.81	7.4	0.58	6.68	83.73	9.15	0.4	8.55	129.71	11.39	0.76	7.91	100.65	10.03	0.93
9	5.68	55	7.42	0.73	7.33	92.23	9.6	0.68	9.25	154.31	12.42	0.95	5.26	48.27	6.95	0.66
10	4.57	47.7	6.91	0.83	5.89	56.63	7.53	0.74	6.82	79.24	8.90	0.93	5.25	58.76	7.67	0.75