Improving Accuracy of River Flow Forecasting Using LSSVR with Gravitational Search Algorithm

Table 1

The monthly statistical parameters of river flow data for Astore and Shyok catchments.

Station	Data set						Lag 1	Lag 2	Lag 3
Astore	DS1 (1999–2006)	26.7	612.3	138.2	137.1	1.40	0.735	0.266	−0.156
	DS2 (1991–1998)	26.4	654.9	155.3	162.2	1.51	0.728	0.229	−0.178
	DS3 (1983–1990)	19.3	558.8	137.9	149.1	1.31	0.724	0.234	−0.185
	DS4 (1975–1982)	20.1	447.3	119.7	123.1	1.21	0.727	0.237	−0.202
Shyok	DS1 (1999–2006)	36.9	1855.2	406.9	527.6	1.50	0.669	0.119	−0.238
	DS2 (1991–1998)	39.0	1995.6	361.1	492.1	1.71	0.665	0.109	−0.242
	DS3 (1983–1990)	37.4	1954.8	327.6	437.0	1.72	0.660	0.118	−0.237
	DS4 (1975–1982)	36.7	2080.7	345.6	492.5	1.88	0.615	0.065	−0.233