Table 7.

Algorithms’ evaluation metrics for activity recognition.

Algorithm	ACT	0% Precision	Data Recall	Stacking F1 Score	Accuracy	Running Time	50% Precision	Data Recall	Stacking F1 Score	Accuracy	Running Time
	Sitting	0.99	0.99	0.99			0.99	0.98	0.99
RF	Walking	0.86	0.90	0.88	0.89	4.50 s	0.86	0.92	0.89	0.91	2.38 s
	Upstairs	0.86	0.81	0.83			0.92	0.83	0.87
	Downstairs	0.86	0.86	0.86			0.89	0.90	0.90
	Sitting	0.98	0.99	0.99			0.96	0.98	0.97
KNN	Walking	0.77	0.82	0.80	0.83	0.07 s	0.75	0.86	0.80	0.83	0.01 s
	Upstairs	0.73	0.73	0.73			0.77	0.69	0.73
	Downstairs	0.81	0.72	0.76			0.86	0.77	0.81
	Sitting	0.99	0.99	0.99			0.99	0.99	0.99
ET	Walking	0.84	0.91	0.87	0.89	10.66 s	0.83	0.93	0.88	0.91	4.05 s
	Upstairs	0.88	0.78	0.83			0.92	0.79	0.85
	Downstairs	0.86	0.85	0.85			0.91	0.89	0.90
	Sitting	0.98	0.98	0.98			0.99	0.97	0.98
DF	Walking	0.58	0.78	0.67	0.70	41.56 s	0.59	0.67	0.63	0.69	6.81 s
	Upstairs	0.61	0.44	0.51			0.57	0.49	0.53
	Downstairs	0.65	0.53	0.59			0.61	0.60	0.61