fig3

Figure 3. Scatter plot of UTS predictions by different ML models on the test set. (A) LR; (B)Lasso; (C)RF; (D)KNeighbors; (E)DT; (F)SVM; (G)ANNs; (H)Bagging; (I)Boosting; (G)Stacking; (K)Voting. UTS: Ultimate tensile strength; ML: machine learning; LR: linear regression; RF: random forest; DT: decision trees; SVM: support vector machines; ANNs: artificial neural networks.