Table 9.

Comparative results of hip joint angle indexes during going uphill.

Algorithm	RMSE	MAE	R2
CS-RF	1.9276	1.3893	0.9769
RF	3.2941	2.6668	0.9435
SVR	6.4199	5.4012	0.9067
BP	6.0689	5.1178	0.8249