Table 4 Hyperparameter grid searched for the XGBoost model

From: Machine learning on multiple topological materials datasets

Parameter

Value

Parameter

Value

Learning rate η

0.23

L2 regularization λ

1.33

Maximal tree depth

[9, 10, 11]

Miniaml child weight

[0.1, 0.3, 0.5]

Column subsampling by tree

[0.75, 0.78]

Column subsampling by node

[0.75, 0.78]