Assessment of Artificial Intelligence Models for Developing Single-Value and Loop Rating Curves

Table 3

Coefficients of equation (1) calibrated by the conventional method, EA, and the MHBMO algorithm.

Method	Coefficients	Dataset 1	Dataset 2	Dataset 3	Dataset 4	Dataset 5	Dataset 6	Dataset 7	Dataset 8
Conventional	K	38.38	578.07	23.74	42.80	1351.46	63.76	779.64	19.85
	a	621.30	1.61	0.21	0.15	0.10	0.40	881.00	875.00
	n	2.37	1.98	2.10	1.43	1.73	1.89	0.76	2.41
EA	K	126.16	543.41	11.02	40.75	1322.00	80.38	3415.67	19.30
	a	621.88	1.68	0.00	0.13	0.00	0.54	885.98	875.00
	n	1.42	1.57	2.67	1.51	1.74	1.74	0.23	2.42
MHBMO	K	126.16	543.44	1.0010^−15	40.74	2.4310^−13	80.40	3403.68	24.66
	a	621.88	1.68	−13.87	0.13	−136.28	0.53	885.90	875.28
	n	1.42	1.57	14.10	1.51	8.24	1.74	0.23	2.35