Table 5. Standard deviation and weighted average recall of the SD experiments with FS.

Database	SVM	RF	KNN	MLP	DT
RAVDESS	93.61 ± 1.32	85.21 ± 3.55	88.34 ± 2.67	84.50 ± 2.23	78.45 ± 2.67
SAVEE	88.77 ± 2.45	86.79 ± 2.96	83.45 ± 3.21	85.45 ± 3.12	75.68 ± 3.82
Emo-DB	96.02± 1.07	93. 51± 2.21	92.45 ± 2.45	95.80 ± 2.34	79.13 ± 4.01
IEMODB	77.23 ± 2.66	86.23± 2.54	82.78 ± 2.17	89.12 ± 2.57	72.32 ± 1.72