Research Article
Improving Accuracy of River Flow Forecasting Using LSSVR with Gravitational Search Algorithm
Table 7
Comparison of the LHLGSA and HLGSA methods in estimating river flow of the Shyok catchment by using the data of Astore catchment.
| Indexes | Cross validation data sets | Input combinations | Methods | LHLGSA | HLGSA |
| | DS1 | IC1 | 267.33 | 254.43 | IC2 | 237.07 | 234.53 | IC3 | 232.12 | 233.22 | DS2 | IC1 | 214.19 | 218.81 | IC2 | 192.56 | 199.51 | IC3 | 188.45 | 195.61 | DS3 | IC1 | 217.30 | 241.62 | IC2 | 193.67 | 214.29 | IC3 | 188.67 | 204.49 | DS4 | IC1 | 192.60 | 216.17 | IC2 | 182.55 | 189.68 | IC3 | 177.62 | 189.03 |
| | DS1 | IC1 | 141.17 | 135.81 | IC2 | 130.29 | 128.41 | IC3 | 115.68 | 122.55 | DS2 | IC1 | 115.05 | 119.37 | IC2 | 105.80 | 107.56 | IC3 | 96.79 | 99.75 | DS3 | IC1 | 104.98 | 116.19 | IC2 | 91.91 | 107.76 | IC3 | 88.02 | 102.42 | DS4 | IC1 | 95.95 | 112.59 | IC2 | 85.95 | 105.30 | IC3 | 80.21 | 99.66 |
| | DS1 | IC1 | 0.775 | 0.786 | IC2 | 0.847 | 0.857 | IC3 | 0.866 | 0.862 | DS2 | IC1 | 0.772 | 0.766 | IC2 | 0.802 | 0.773 | IC3 | 0.814 | 0.776 | DS3 | IC1 | 0.808 | 0.797 | IC2 | 0.816 | 0.801 | IC3 | 0.833 | 0.809 | DS4 | IC1 | 0.846 | 0.814 | IC2 | 0.878 | 0.870 | IC3 | 0.882 | 0.871 |
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