Study on Prediction of Coal-Gas Compound Dynamic Disaster Based on GRA-PCA-BP Model

Table 7

Some common factor data after calculation.

Number
1	1.60969737	0.74749536	0.339417928	0.812900035
2	2.204036798	1.03198924	0.891851959	1.269598519
11	0.457772706	0.272297774	0.084938237	0.966876527
12	0.02353326	0.341611389	0.045670799	0.835486048
20	1.592037485	0.557492709	0.025542212	1.189012618
21	0.915941684	0.186560304	1.004711086	1.439935842
29	1.691453877	0.691818614	0.119806084	1.110542908
30	1.610308877	-0.967254621	0.937421456	1.166563328
38	1.724334178	0.065505757	0.48872312	1.012079589
39	2.375037821	0.394508286	-0.321069244	1.172335713