# Regional differences of air pollution in China: comparison of clustering analysis and systematic clustering methods of panel data based on gray relational analysis

> Research article (Air Quality Atmosphere & Health, 2020) · cited 34× · AI/ML

**Wikidata**: [openalex:W3043971321](https://www.wikidata.org/wiki/openalex:W3043971321)  
**Source**: https://4ort.xyz/entity/regional-differences-of-air-pollution-in-china-comparison-of-clustering-analysis-and-systematic-clustering-methods-of-pa