Research Article
Analysis Model of Risk Factors of Urban Bus Operation Based on FTA-CLR
Table 2
The cumulative sum of the normalized index.
| Number of risk factors | Structural importance (%) | Probability importance (%) | Critical importance (%) |
| 10 | 86 | 91 | 97 | 11 | 90 | 96 | 98 | 12 | 93 | 98 | 98 |
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