| --- OUTER FOLD 1/5 --- | |
| INFO: Best params for fold 1: {'lr': 0.0008903488639350984, 'hidden_dim': 64, 'batch_size': 64} | |
| INFO: Fold 1 Val RMSE: 1.5372, MAE: 1.2712 | |
| --- OUTER FOLD 2/5 --- | |
| INFO: Best params for fold 2: {'lr': 0.0006482131165247735, 'hidden_dim': 64, 'batch_size': 32} | |
| INFO: Fold 2 Val RMSE: 1.4884, MAE: 1.2204 | |
| --- OUTER FOLD 3/5 --- | |
| INFO: Best params for fold 3: {'lr': 0.0006482131165247735, 'hidden_dim': 64, 'batch_size': 32} | |
| INFO: Fold 3 Val RMSE: 1.4498, MAE: 1.1955 | |
| --- OUTER FOLD 4/5 --- | |
| INFO: Best params for fold 4: {'lr': 0.0006482131165247735, 'hidden_dim': 64, 'batch_size': 32} | |
| INFO: Fold 4 Val RMSE: 1.5155, MAE: 1.2419 | |
| --- OUTER FOLD 5/5 --- | |
| INFO: Best params for fold 5: {'lr': 0.0006858999160561152, 'hidden_dim': 64, 'batch_size': 32} | |
| INFO: Fold 5 Val RMSE: 1.4810, MAE: 1.2254 | |
| ------ Nested Cross-Validation Summary ------ | |
| Unbiased Validation RMSE: 1.4944 ± 0.0299 | |
| Unbiased Validation MAE: 1.2309 ± 0.0251 | |
| VAL FOLD RMSEs: [1.5371727, 1.4883924, 1.4498001, 1.5154599, 1.4809992] | |
| VAL FOLD MAEs: [1.2712324, 1.220368, 1.1955374, 1.2418671, 1.2254276] | |
| ===== 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': 0.0006175439707655367, 'hidden_dim': 128, 'batch_size': 64} | |
| INFO: Training final model... | |
| ===== STEP 3: Final Held-Out Test Evaluation ===== | |
| Test RMSE: 1.7549 (95% CI: [1.5383, 2.0198]) | |
| Test MAE: 1.3454 (95% CI: [1.2415, 1.4603]) | |