Table 4. Standard deviation and weighted average recall of the SD experiments without FS.

	SVM	RF	KNN	MLP	DT
RAVDESS	87.65 ± 1.79	78.65 ± 4.94	78.15 ± 3.39	80.67 ± 2.89	76.28 ± 3.24
SAVEE	82.98 ± 4.87	78.38 ± 4.10	79.81 ± 4.05	81.13 ± 3.63	69.15 ± 2.85
Emo-DB	92.11± 2.29	82. 47± 3.52	86.56 ± 2.78	91.51 ± 2.09	80.53 ± 4.72
IEMODB	79.66 ± 4.44	80.93 ± 3.75	74.33 ± 3.37	86.75 ± 3.64	67.25 ± 2.33