Table 4.

Selection of the best input combination for stage-discharge modeling using gamma test.

Model No.	Model Input Combination	Mask	Gamma value	V-ratio	Standard Error
M1	H(t)	1	−0.00355	−0.00420	0.04888
M2	Q(t-1)	1000	0.21723	0.86894	0.12072
M3	H(t-1)	10	0.09970	0.39878	0.13718
M4	H(t-2)	100	0.22233	0.88932	0.12306
M5	Q(t-2)	10000	0.19905	0.79618	0.13641
M6	H(t), Q(t-1)	10010	−0.00618	−0.02473	0.00964
M7	H(t), Q(t-2)	10001	−0.00837	−0.03347	0.00826
M8	H(t), H(t-1)	11	−0.00378	−0.01512	0.00624
M9	H(t), H(t-2)	101	−0.00687	−0.02748	0.00669
M10	Q(t-1), H(t-2)	1100	0.14441	0.57766	0.01595
M11	Q(t-1), H(t-1)	1010	0.14324	0.57298	0.12913
M12	Q(t-2), H(t-1)	10010	0.11259	0.45034	0.02556
M13	Q(t-2), H(t-2)	10100	0.18501	0.74005	0.11421
M14	H(t-1), H(t-2)	110	0.14911	0.59646	0.02773
M15	H(t-2), Q(t-2), H(t-1)	10110	0.09782	0.39129	0.02599
M16	H(t-2), Q(t-2), Q(t-1)	11100	0.10623	0.42491	0.02526
M17	H(t-1), H(t-2), Q(t-1)	1110	0.14737	0.58946	0.01398
M18	Q(t-1), Q(t-2), H(t-1)	11010	0.11715	0.46861	0.02302
M19**	H(t), Q(t-2), H(t-2)	10101	−0.01025	−0.04099	0.01149
M20	H(t), H(t-1), H(t-2)	111	−0.00591	−0.02365	0.00757
M21	H(t), H(t-1), Q(t-2)	10011	−0.00684	−0.02737	0.00751
M22	H(t), H(t-1), Q(t-1)	1011	−0.00872	−0.03488	0.00927
M23	H(t), H(t-2), Q(t-1)	1101	−0.00311	−0.01244	0.00433
M24*	H(t), Q(t-2), Q(t-1)	11001	−0.01142	−0.04567	0.00898
M25	Q(t-1), Q(t-2)	11000	0.11881	0.47524	0.02353
M26	H(t), H(t-2), H(t-1), Q(t-1)	1111	−0.00274	−0.01097	0.00581
M27	H(t), H(t-2), H(t-1), Q(t-2)	10111	−0.00527	−0.02107	0.00745
M28	H(t), Q(t-1), Q(t-2), H(t-1)	11011	−0.00872	−0.03487	0.00783
M29	H(t), Q(t-1), Q(t-2), H(t-2)	11101	−0.00401	−0.01604	0.00640
M30	H(t-1), H(t-2), Q(t-2), Q(t-1)	11110	0.10364	0.41457	0.02555
M31	H(t), H(t-1), H(t-2), Q(t-2), Q(t-1)	11111	−0.00393	−0.01571	0.00628

Note: *Chosen as input combination 1 and **Choose as input combination 2.