Toward a Brain-Computer Interface- and Internet of Things-Based Smart Ward Collaborative System Using Hybrid Signals

Table 3

Comparison of measured and standard monitoring values in the ward environment.

Parameter	Time	Standard values	Measured data by our system
			Measured values	Relative error (%)
Temperature °C	6:00	27.22	27.02	−0.73%
	10:00	31.95	32.01	0.19%
	14:00	34.56	34.9	0.98%
	18:00	31.22	31.03	−0.61%
Humidity % RH	6:00	65.6	65.63	0.05%
	10:00	60.13	60.13	0.00%
	14:00	58.17	57.08	−1.87%
	18:00	58.98	58.53	−0.76%
HCHO mg/m^3	6:00	0.0596	0.0588	−1.34%
	10:00	0.0608	0.0612	0.66%
	14:00	0.0644	0.0636	−1.24%
	18:00	0.0629	0.0612	−2.70%
PM2.5 ug/m^3	6:00	101	104.0000	2.97%
	10:00	110	115.0000	4.55%
	14:00	113	118.0000	4.42%
	18:00	113	117.0000	3.54%