Evaluation of the Total Quality of Tunnel Contour Using Projection Pursuit Dynamic Cluster Method

Table 5

Eigenvectors of point indices.

Index	Factor 1	Factor 2	Factor 3	Factor 4
X1	0.5145	0.571	−0.0208	−0.6394
X2	−0.3774	0.6946	−0.5138	0.3333
X3	0.605	0.2372	0.3228	0.6881
X4	−0.4763	0.3677	0.7946	−0.0808