A Gas Monitoring and Control System in a Coal and Gas Outburst Laboratory

Table 2

Results of average relative error and correlation between two groups of tests.

	Average relative error				Correlation
	S1 no	S1	S2 no	S2	S1 no	S1	S2 no	S2
Danger 1	4.87%	13.42%	8.74%	5.56%	0.9884	0.9933	0.9889	0.9935
Danger 2	8.93%	11.23%	9.23%	4.56%	0.897	0.923	0.976	0.965
Danger 3	12.12%	8.92%	11.23%	6.7%	0.924	0.913	0.962	0.979
Danger 4	3.45%	9.23%	12.5%	16.54%	0.945	0.942	0.987	0.913