Research Article
The Spatial Patterns of Service Facilities Based on Internet Big Data: A Case Study on Chengdu
Table 4
Statistics of the largest cluster of all kinds of POIs.
| POI types | Central coordinates X | Central coordinates Y | Major axis (km) | Short axis (km) | Ellipse area (km2) | Azimuth (°) | Maximum number of clusters (Piece) | Percentage of maximum cluster in total number of points (%) |
| Catering services | 409876.84 | 3392601.51 | 6.24 | 8.72 | 170.765 | 157.51 | 29158 | 56.83 | Shopping services | 409322.59 | 3395173.23 | 11.57 | 8.39 | 304.88 | 173.33 | 72060 | 65.76 | Transportation services | 409589.53 | 3392604.20 | 8.65 | 6.58 | 178.82 | 153.40 | 23053 | 57.32 | Scientific, educational and cultural services | 408424.73 | 3394477.85 | 12.28 | 7.08 | 273.07 | 148.70 | 12644 | 67.94 |
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