| --- OUTER FOLD 1/5 --- | |
| INFO: Best params for fold 1: {'lr': 0.0007303755012255117, 'hidden_dim': 128, 'batch_size': 32} | |
| INFO: Fold 1 Val RMSE: 1.0736, MAE: 0.8145 | |
| --- OUTER FOLD 2/5 --- | |
| INFO: Best params for fold 2: {'lr': 0.0005205409661999493, 'hidden_dim': 64, 'batch_size': 64} | |
| INFO: Fold 2 Val RMSE: 1.2766, MAE: 0.9486 | |
| --- OUTER FOLD 3/5 --- | |
| INFO: Best params for fold 3: {'lr': 0.0007303755012255117, 'hidden_dim': 128, 'batch_size': 32} | |
| INFO: Fold 3 Val RMSE: 1.2121, MAE: 0.9125 | |
| --- OUTER FOLD 4/5 --- | |
| INFO: Best params for fold 4: {'lr': 0.000512061330949742, 'hidden_dim': 64, 'batch_size': 64} | |
| INFO: Fold 4 Val RMSE: 1.2688, MAE: 0.9749 | |
| --- OUTER FOLD 5/5 --- | |
| INFO: Best params for fold 5: {'lr': 0.0006858999160561152, 'hidden_dim': 64, 'batch_size': 32} | |
| INFO: Fold 5 Val RMSE: 1.2603, MAE: 0.9595 | |
| ------ Nested Cross-Validation Summary ------ | |
| Unbiased Validation RMSE: 1.2183 ± 0.0757 | |
| Unbiased Validation MAE: 0.9220 ± 0.0575 | |
| VAL FOLD RMSEs: [1.0736184, 1.2765619, 1.2121183, 1.2687736, 1.2603368] | |
| VAL FOLD MAEs: [0.8144865, 0.9485978, 0.91251653, 0.9748641, 0.9594727] | |
| ===== STEP 2: Final Model Training & Testing ===== | |
| INFO: Finding best hyperparameters on the FULL train/val set for final model... | |
| INFO: Optimal hyperparameters for final model: {'lr': 0.0005205409661999493, 'hidden_dim': 64, 'batch_size': 64} | |
| INFO: Training final model... | |
| ===== STEP 3: Final Held-Out Test Evaluation ===== | |
| Test RMSE: 1.1867 (95% CI: [1.0708, 1.3058]) | |
| Test MAE: 0.8964 (95% CI: [0.7936, 1.0017]) | |