Table 6. Effects of different feature selection methods on the jaffe dataset (before Spearman dimensionality reduction).

Method	Accuracy(%)	Precision(%)	Recall(%)	F1-score	Runtime(s)
MI	70.16	73.19	71.05	0.73	5.29
F_filter	60.85	65.94	57.55	0.61	0.01
reliefF	45.16	59.70	43.26	0.53	50.94
SURF	78.68	76.87	78.09	0.77	21.08
SURFstar	73.64	75.14	73.38	0.74	47.09
EFS-GINI	88.37	89.01	88.50	0.89	4.81