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Grey association between spatial distribution and socioeconomic factors of attractions in Chengdu
| Influencing factors | Index factor | Association degree |
|---|---|---|
| Industrial development | GDP of tertiary industry | 0.739 |
| Economy and population | Year-end resident population | 0.782 |
| Per capita GDP | 0.755 | |
| Urbanization rate | 0.739 |
