Research Article
Evaluation of the Total Quality of Tunnel Contour Using Projection Pursuit Dynamic Cluster Method
Table 8
Optimized linear indices.
| No. | Optimization method | Variables | Optimized surface indices | First selected | Second selected | Third selected | Fourth selection |
| 1 | GCA | Y2 | Y4 | Y5 | Y1 | Y2 | 2 | PCA | Y2 | Y3 | Y5 | Y1 |
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