Table 3 Gradient boosting settings
From: Understanding EMS response times: a machine learning-based analysis
Gradient Boosting model settings | ||||
|---|---|---|---|---|
| Â | Overall | Priority 1 | Priority 2 | Priority 3 |
Auto-stop method | Stagnation | Stagnation | Stagnation | Stagnation |
Auto-stop iterations | 4 | 4 | 4 | 4 |
Number of trees | 50 | 50 | 50 | 50 |
Learning rate | 0.23 | 0.23 | 0.23 | 0.23 |
Subsample rate | 0.1 | 1 | 1 | 1 |
Lasso | 6.11111111 | 1.11111111 | 1.11111111 | 0 |
Ridge | 2.22222222 | 6 | 1 | 2.22222222 |