Table 8 Optimal values for hyperparameters of XGB model.

From: Advanced machine learning techniques for predicting dump slope stability in Indian opencast coal mines

Hyperparameters

Ranges (lower limit, upper limit)

Best result

n_estimators

25,180

180

max_depth

3,18

3

gamma

1,9

1

reg_alpha

40, 180

40

reg_lambda

0,1

0

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