Table 4 The hyperparameter sets considered during the model fitting process
Set | \(\varvec{\eta }\) | colsample_bytree | Subsample | colsample_bylevel | max_depth |
|---|---|---|---|---|---|
1 | 0.1 | 0.3 | 0.3 | 0.3 | 2 |
2 | 0.1 | 0.5 | 0.5 | 0.5 | 2 |
3 | 0.1 | 0.5 | 0.5 | 1 | 2 |
4 | 0.1 | 0.8 | 0.8 | 0.8 | 2 |
5 | 0.1 | 1 | 1 | 1 | 2 |
6 | 0.05 | 0.5 | 0.5 | 0.5 | 2 |
7 | 0.05 | 0.8 | 0.8 | 0.8 | 2 |
8 | 0.2 | 0.5 | 0.5 | 0.5 | 2 |
9 | 0.1 | 0.3 | 0.3 | 0.3 | 3 |
10 | 0.1 | 0.5 | 0.5 | 0.5 | 3 |
11 | 0.1 | 0.5 | 0.5 | 1 | 3 |
12 | 0.1 | 0.8 | 0.8 | 0.8 | 3 |
13 | 0.1 | 1 | 1 | 1 | 3 |
14 | 0.05 | 0.5 | 0.5 | 0.5 | 3 |
15 | 0.05 | 0.8 | 0.8 | 0.8 | 3 |
16 | 0.2 | 0.5 | 0.5 | 0.5 | 3 |