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International Journal of Concrete Structures and Materials

Table 3 Training and testing performance of the models (↑ Higher is better, ↓ lower is better)

From: Comparative Analysis of Gradient-Boosting Ensembles for Estimation of Compressive Strength of Quaternary Blend Concrete

 

Training

Test

↑R2

↓RMSE

(MPa)

↓MAE

(MPa)

↓MAPE

↑R2

↓RMSE

(MPa)

↓MAE

(MPa)

↓MAPE

XGB

0.9909

1.6016

0.9246

0.0330

0.9764

2.4972

1.9032

0.0744

LGBM

0.9890

1.7578

1.0599

0.0392

0.9745

2.5963

2.0067

0.0788

CBT

0.9930

1.4045

0.7218

0.0256

0.9838

2.0709

1.5966

0.0629

GBR

0.9950

1.1826

0.4259

0.0148

0.9731

2.6642

1.9013

0.0717

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