Research Article
Natural Jute Fibre-Reinforced Polymer Composite System for Posttensioned Beam Strengthening in Flexure
Table 6
Determination coefficient R2 for different learning algorithms to predict deflection for Scheme C.
| Number of hidden layers | Neurons in hidden layer | Coefficient of determination R2 | Training data | Validating data | Testing data | All data |
| 1 | 8 | 0.99957 | 0.99778 | 0.99954 | 0.99913 | 1 | 10 | 0.99966 | 0.99780 | 0.99958 | 0.99918 | 1 | 20 | 0.99970 | 0.99784 | 0.99960 | 0.99925 | 1 | 30 | 0.99973 | 0.99787 | 0.99962 | 0.99930 | 1 | 40 | 0.99977 | 0.99789 | 0.99964 | 0.99933 | 1 | 50 | 0.99972 | 0.99786 | 0.99961 | 0.99931 |
|
|
The bold values indicate the optimum value.
|