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

Table 6

Identification results of training samples.

Sample number	PCA-FDA	FDA	Actual type
1	I	I	I	4.764	-1.720	-0.562
2	I	I	I	2.932	-0.918	0.023
3	I	III	I	0.433	-0.238	1.796
4	I	I	III	2.115	-0.322	0.387
5	III	III	III	0.391	0.429	0.869
6	III	III	III	1.448	0.000	0.628
7	III	III	III	1.258	1.136	-2.619
8	III	III	III	1.820	2.824	0.566
9	II	II	II	-2.153	0.046	0.966
10	II	II	II	-0.983	0.161	0.829
11	IV	II	II	-3.647	-0.703	-0.299
12	IV	III	IV	-2.867	0.983	-0.618
13	IV	IV	IV	-3.438	-0.839	-0.301
14	IV	IV	IV	-3.438	-0.839	-0.301