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

Table 4

PCA matrix.

Parameter
A1	0.873	0.453	-0.064	0.137
A2	-0.826	0.262	0.392	0.265
A3	-0.742	0.650	0.045	0.134
A4	0.888	0.442	-0.030	0.084
A5	0.749	0.239	0.557	-0.268
A6	-0.750	0.571	0.029	-0.130
A7	0.748	0.634	-0.066	0.162
A8	-0.387	0.812	-0.242	-0.271