Figure 2.
A triangular matrix displays graded evaluation results across variables, with numerical ranges indicating performance levels from low to high.The figure presents a triangular matrix showing evaluation data distribution across variables V1 to V52 and points P1 to P23. Each triangular segment represents numerical ranges from 0 to 10, grouped into intervals of 0 to 2, 2 to 4, 4 to 6, 6 to 8, and 8 to 10, indicating varying performance levels. The clustered patterns reflect diverse performance intensities among evaluation parameters, offering a visual comparison of resilience or capability across different measured points.

Expert scoring situation

Source: Authors’ own work, based on expert evaluation data collected from 21 railway practitioners to visualize the distribution of expert scoring results

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