Table 3.
Hyper parameters used for tuning of Gradient Boosting
| Modality Combination (C) | max_depth | Learning rate | Colsample_bytree | n_estimators |
|---|---|---|---|---|
| MRI_PET | 2 | 0.07 | 0.98 | 90 |
| MRI_PET_CSF | 3 | 0.05 | 1.00 | 120 |
| MRI_PET_COG | 3 | 0.07 | 1.00 | 90 |
| PET_COG_CSF | 3 | 0.07 | 0.98 | 80 |
| MRI_PET_COG_CSF | 3 | 0.10 | 0.50 | 50 |