. 2021 Dec 21;11:24295. doi: 10.1038/s41598-021-03699-6

Table 5.

Results of the applied algoriths obtained with the 1-month and 2-month time-lag patterns in Karkheh reservoir.

Algorithms	Phase	Projections	1-month time-lag pattern					2-month time-lag pattern
Algorithms	Phase	Projections	R	NSE	RMSE (m³/s)	MAE (m³/s)	R	NSE	RMSE (m³/s)	MAE (m³/s)
SVM	Train	January	0.98	0.97	36.88	36.7	0.66	0.39	172.9	108.71
		February	0.94	0.89	108.88	107.87	0.95	0.89	109.75	109.32
		March	0.98	0.94	117.48	109.55	0.97	0.94	118.88	112.91
		April	0.97	0.9	237.75	225.75	0.96	0.9	234.55	220.96
	Test	January	0.99	0.98	35.5	33	0.45	0.11	246.25	155.83
		February	0.97	0.92	110.44	110.3	0.97	0.93	128.51	119.52
		March	0.94	0.87	124.48	118.46	0.92	0.85	131.63	131.5
		April	0.99	0.96	247.57	235.46	0.98	0.96	241.08	233.11
ANN	Train	January	0.81	0.94	142.74	89.62	0.61	0.89	185.02	115.48
		February	0.84	0.84	213.89	205.7	0.73	0.83	267.32	192.73
		March	0.86	0.87	254.17	236.72	0.73	0.78	268.1	316.71
		April	0.89	0.89	331.79	351.23	0.92	0.87	384.32	385.78
	Test	January	0.9	0.67	120.21	101.82	0.83	0.1	127.03	207.09
		February	0.85	0.97	400.93	159.73	0.84	0.88	497.2	119.36
		March	0.85	0.75	530.11	115.76	0.82	0.66	241.06	120.79
		April	0.92	0.73	482.03	407.53	0.84	0.99	440.59	153.66
RT	Train	January	0.88	0.75	110.85	25.2	0.84	0.7	119.96	78.27
		February	0.92	0.84	131.46	31.86	0.9	0.82	139.97	53.55
		March	0.9	0.8	208.83	157.53	0.96	0.92	135.23	34
		April	0.88	0.78	359.25	245.1	0.94	0.88	261.51	69
	Test	January	0.97	0.96	52.82	16.98	0.87	0.84	105.09	83.34
		February	0.92	0.79	232.26	74.25	0.96	0.93	133.07	43.66
		March	0.89	0.79	157.8	137.77	0.9	0.79	156.5	47.58
		April	0.95	0.77	562.09	337.45	0.99	0.98	182	66
GP	Train	January	0.88	0.74	111.39	86.5	0.92	0.96	103.76	82.99
		February	0.89	0.8	146.99	109.91	0.89	0.96	144.02	103.5
		March	0.91	0.82	199.54	168.72	0.88	0.93	329.02	249.39
		April	0.91	0.82	318.21	257.65	0.9	0.81	336	246.47
	Test	January	0.92	0.83	114.86	74.92	0.87	0.63	485.13	380.42
		February	0.83	0.56	488.5	327.75	0.89	0.82	418.2	264.39
		March	0.92	0.62	308.95	231.78	0.88	0.86	239.58	217.05
		April	0.84	0.86	290.73	239.18	0.91	0.73	1312.2	667.64