Table 7. Experimental results of machine learning classifiers.

Classifier	Original Data				Down-Sampled Data
	Accuracy	Precision	Recall	F1	Accuracy	Precision	Recall	F1
RF	0.98	0.97	0.94	0.95	0.97	0.98	0.97	0.97
GBM	0.97	0.92	0.94	0.93	0.95	0.95	0.95	0.95
AdaBoost	0.88	0.72	0.69	0.66	0.94	0.94	0.94	0.94
LR	0.86	0.52	0.40	0.43	0.89	0.88	0.88	0.88
SVC	0.83	0.17	0.20	0.18	0.93	0.93	0.92	0.92