Journal of Advanced Transportation / 2018 / Article / Tab 1

Research Article

Clustering Algorithm for Urban Taxi Carpooling Vehicle Based on Data Field Energy

Table 1

Comparison table of clustering effect evaluation index of each clustering algorithm.

Clustering numberClustering algorithmsCPSPDVI

25K-means0.03920.36442.543×10−4
FCM0.02010.12331.001×10−4
Hierarchical0.01230.60692.717×10−4
Data field energy0.00880.66661.32×10−2
249K-means0.00470.14147.008×10−5
FCM0.0050.05972.749×10−5
Hierarchical0.00420.1812.724×10−5
Data field energy0.00160.23195.152×10−4
409K-means0.00340.12133.845×10−5
FCM0.00330.05582.041×10−5
Hierarchical0.00280.13982.1742×10−5
Data field energy0.00130.18473.846×10−4
599K-means0.00210.1193.6076×10−5
FCM0.00230.05692.3121×10−5
Hierarchical0.00190.12421.086×10−5
Data field energy0.0010.16851.823×10−4

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