Table 10.

Classification results for EPDM aging type using RandomSearchCV and GridSearchCV.

Search Method	Class	Precision	Recall	F1-Score
RandomSearchCV	0	0.88	0.93	0.81
	1	0.95	0.89	0.85
	2	0.81	0.81	0.85
Test Accuracy				0.81
Best Accuracy				0.81
Best Hyperparameters		{’svm__kernel’: ’rbf’, ’svm__C’: 10, ’rf__n_estimators’: 200, ’rf__max_depth’: None, ’final_estimator__n_estimators’: 100, ’final_estimator__max_depth’: None}
GridSearchCV	0	0.85	0.90	0.89
	1	0.90	0.89	0.84
	2	0.83	0.81	0.87
Test Accuracy				0.80
Best Accuracy				0.83
Best Hyperparameters		{’final_estimator__max_depth’: 10, ’final_estimator__n_estimators’: 200, ’rf__max_depth’: 20, ’rf__n_estimators’: 200, ’svm__C’: 10, ’svm__kernel’: ’rbf’}