Identification of Mine Water Inrush Source Based on PCA-FDA: Xiandewang Coal Mine Case

Table 5

Central values of discrimination functions in different groups.

Type	Discrimination function
	I	3.164	-0.959	-0.036
II	-2.261	-0.165	0.499
III	1.406	0.813	-0.034
IV	-3.248	-0.232	-0.406