Table 7 Performance evaluation for case 3 with three, five, and sevenfold cross-validation.

Appliances	Threefold cross validation			Fivefold cross validation			Sevenfold cross validation
Appliances	Precision	Recall	f1 score	Precision	Recall	f1 score	Precision	Recall	f1 score
Hair dryer	0.86	0.86	0.86	0.87	0.87	0.87	0.87	0.87	0.87
Sleeping	0.90	0.91	0.90	0.90	0.91	0.90	0.90	0.91	0.90
Unoccupied	0.84	0.80	0.83	0.84	0.81	0.82	0.84	0.81	0.82
Vacuum cleaner	0.78	0.64	0.70	0.74	0.73	0.73	0.73	0.67	0.70
Iron	0.82	0.86	0.84	0.84	0.86	0.85	0.84	0.87	0.85
Kettle	0.65	0.71	0.68	0.63	0.71	0.67	0.68	0.73	0.70
Microwave	0.71	0.66	0.68	0.79	0.67	0.72	0.75	0.73	0.74
Oven	0.73	0.65	0.69	0.71	0.60	0.65	0.75	0.66	0.70
Toaster	0.90	0.83	0.86	0.81	0.83	0.82	0.89	0.80	0.84
Average	0.80	0.77	0.78	0.792	0.78	0.78	0.805	0.783	0.79

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