Table 3.
Optimal parameters of gradient boosting models.
| Maximal tree depth | 4 |
| Number of estimators | 313 |
| Bagging fraction | 0.75 |
| Bagging frequency | 13 |
| Learning rate | 0.1 |
| Minimal number of samples in leaf | 22 |
| regularization coefficient | 0.142 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.