Table 6 Three evaluation indicators on the training set and the test set (TS).

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

Model

Train set

Test set

R2

RMSE

MAE

R2

RMSE

MAE

LR

0.71

1.46

1.06

0.63

1.73

1.25

KNN

0.89

0.89

0.60

0.75

1.41

0.91

RF

0.96

0.56

0.38

0.84

1.13

0.74

XGB

0.97

0.44

0.32

0.87

1.04

0.68

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