Table 10.

Comparison of results obtained by performing stability test on selected features from ALO algorithm along with other popular metaheuristics used for comparison.

OA	UTD-MHAD	NTU RGB+D 60		HDM05
		Cross subject	Cross view
MVO	0.308	0.310	0.245	0.309
PSO	0.325	0.407	0.376	0.428
BAT	0.290	0.232	0.445	0.324
GWO	0.341	0.444	0.330	0.315
WOA	0.439	0.453	0.409	0.378
FFA	0.391	0.244	0.281	0.236
MFO	0.382	0.259	0.227	0.282
ALO	0.458	0.473	0.473	0.472