Research Article
Speed Behavior of Passenger Car on Helical Ramps and Helical Bridges in Mountain Riverside City
Table 2
Center of clustering for ascending/descending ramps.
| ā | Ascending ramps | Descending ramps |
| ā | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 |
| Value of clustering center | (0.01, 0.0058) | (0.020, -0.0262) | (0.04, -0.00154) | (-0.023, 0.0255) | (0.01108, 0.00347) | (0.0131, -0.02772) | (0.0435, -0.01247) | (-0.0232, 0.0181) | sample size of each cluster | 64 | 34 | 27 | 12 | 65 | 30 | 17 | 36 |
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