Research Article
Natural Jute Fibre-Reinforced Polymer Composite System for Posttensioned Beam Strengthening in Flexure
Table 5
Determination coefficient R2 for different learning algorithms to predict deflection for Scheme B.
| Number of hidden layers | Neurons in hidden layer | Coefficient of determination R2 | Training data | Validating data | Testing data | All data |
| 1 | 10 | 0.99974 | 0.99976 | 0.99250 | 0.99801 | 1 | 20 | 0.99979 | 0.99979 | 0.99254 | 0.99805 | 1 | 25 | 0.99984 | 0.99986 | 0.99260 | 0.99810 | 1 | 30 | 0.99988 | 0.99990 | 0.99265 | 0.99815 | 1 | 35 | 0.99992 | 0.99996 | 0.99271 | 0.99821 | 1 | 40 | 0.99990 | 0.99992 | 0.99267 | 0.99812 |
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The bold values indicate the optimum value.
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