Table 1. Performance of the model with different numbers of DELMs.

Number of ensembles	RMSE	R	Training time (s)
1	0.090	0.79	0.16
2	0.088	0.80	0.31
5	0.081	0.84	0.73
7	0.080	0.84	0.97
10	0.073	0.87	1.41
15	0.071	0.87	2.11
20	0.069	0.88	2.84