Construction and Application of Recognition Model for Black-Odorous Water Bodies Based on Artificial Neural Network

Table 2

Mean and standard deviation of the odor model.

	Odorless		Slight		Odorous		Severe
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
	5.94	0.65	5.76	0.40	5.54	1.49	5.47	0.21
	26	12.91	33.27	13.14	44.09	14.62	46	6.16
	6.6	3.25	8.7	3.56	11.17	3.55	12.1	2.75
	3.26	2.21	4.16	4.21	6.67	4.15	19.7	1.25
	0.59	0.36	0.75	0.38	1.17	0.52	2.75	0.99