Table 3.
Optimal hyper-parameters for random forest predicting the respective target variables.
| Parameter | Filament mechanical characteristics | Extrusion temperature | Printing temperature | Printability |
|---|---|---|---|---|
| Bootstrap | False | False | False | False |
| Maximum depth for trees | Unlimited | Unlimited | Unlimited | Unlimited |
| Maximum features for trees | √n | √n | √n | √n |
| Minimum samples for leafs | 1 | 1 | 1 | 1 |
| Minimum samples for split | 5 | 2 | 2 | 5 |
| Number of trees | 400 | 800 | 1000 | 400 |