Intelligent Control of Smooth Blasting Quality in Rock Tunnels Using BP-ANN, ENN, and ANFIS

Table 11

Eigenvalues of borehole parameter index.

No.	Eigenvalue	Percentage (%)	Cumulative percentage (%)
1	2.1176	52.94	52.94
2	1.1776	29.43	82.37
3	0.6932	17.33	99.71
4	0.0116	0.28	100