Research Article
A Case Study in China to Determine Whether GPS Data and Derivative Indicator Can Be Used to Identify Risky Drivers
Table 4
Contribution ratio before and after rotation.
| | Principal Component Analysis | | | Factor Analysis | | Component | Total | Contribution ratio (%) | Cumulative contribution (%) | Component | Total | Contribution ratio (%) | Cumulative contribution (%) |
| | PC1 | 7.067 | 58.892 | 58.892 | RC1 | 5.589 | 46.577 | 46.577 | | PC2 | 1.735 | 14.456 | 73.348 | RC2 | 2.621 | 21.844 | 68.421 | | PC3 | 1.040 | 8.668 | 82.015 | RC3 | 1.631 | 13.594 | 82.015 |
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