An Evaluation Model of Green Coal Supplier for Thermal Power Supply Chain Based on PCA-SVM

Table 2

Eigenvalues of the correlation matrix.

Principal	Eigenvalue	Difference	Proportion	Cumulative
Y1	0.082587	0.074371	0.799420	0.79942
Y2	0.008216	0.001279	0.079530	0.87895
Y3	0.006937	0.002532	0.067150	0.94610
Y4	0.004405	0.003241	0.042637	0.98874
Y5	0.001164	0.001164	0.011263	1.00000
Others	0	0	0	1