Table 7. Standard deviation and weighted average recall of the SI experiment results with FS.

Database	SVM	RF	KNN	MLP	DT
RAVDESS	80.94 ± 2.17	76.82 ± 2.16	75.57 ± 3.29	82.75 ± 2.10	76.18 ± 1.33
SAVEE	70.06 ± 3.33	65.55 ± 2.42	60.58 ± 3.84	75.38 ± 2.74	63.69 ± 2.22
Emo-DB	90.78± 2.45	85.73± 2.58	81.32 ± 2.12	92.65 ± 3.09	78.21 ± 3.47
IEMODB	84.00 ± 2.76	78.08± 2.65	76.44 ± 3.88	80.23 ± 2.77	75.78 ± 2.25