Table 2.

Overall performance of the optimal classifiers.

Classification algorithm	Number of features	ACC	MCC	Macro F1	Weighted F1
k-nearest neighbor	10	0.784	0.730	0.793	0.790
Random forest	35	0.893	0.842	0.873	0.895
Support vector machine	1,025	0.920	0.881	0.926	0.921
Decision tree	590	0.771	0.686	0.749	0.780