Table 3 The optimal parameter values of the model(FS).

From: Data-driven prediction on critical mechanical properties of engineered cementitious composites based on machine learning

Model

Parameter

Definition

Value

KNN

n_neighbors

Number of nearest neighbors

6

RF

n_estimators

Number of decision trees

229

max_depth

Maximum depth of each decision tree

18

max_features

Maximum number of features

6

XGB

n_estimators

Number of decision trees

13

min_child_weight

Minimum sum of instance weight

4

max_depth

Maximum depth of each decision tree

9

reg_alpha

Penalty coefficient of L1 Regularization

0.5