Fig. 18

Confusion matrix for machine learning model predicting tensile strength by (a) linear regression; (b) support vector regression (SVR); (c) random forest; (d) gradient boosting; (e) XG-Boost.

Confusion matrix for machine learning model predicting tensile strength by (a) linear regression; (b) support vector regression (SVR); (c) random forest; (d) gradient boosting; (e) XG-Boost.