Table 2.

The top 10 important features identified by the ensemble approaches.

	Random Forest	XGBoost	CATBoost
1	period	left_stride	period
2	right_stride	right_stride	right_stride
3	left_stride	period	left_upper_leg
4	Lfoof_period	left_upper_leg	left_stride
5	Rfoot_period	terminal_swing_ hip_extension	terminal_stance_ hip_extension
6	right_upper_leg	terminal_stance_ hip_extension	max_Ldegree
7	min_Ldegree	left_lower_leg	Lfoot_period
8	terminal_swing_ hip_extension	max_Ldegree	main_foot
9	min_Ldegree	left_lower_leg	Lfoot_period
10	terminal_stance_ hip_extension	right_upper_leg	terminal_swing_ hip_extension