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Summary of k-mean clustering
| Pollutant | Low exposure | High exposure | ||
|---|---|---|---|---|
| Cluster mean by pollutants | Number of individuals | Cluster mean by pollutants | Number of individuals | |
| PM2.5 | 8.95 | 392 | 5.97 | 605 |
| NO2 | 5.86 | 160 | 14.34 | 837 |
| O3 | 22.97 | 775 | 25.05 | 222 |
| SO2 | 0.72 | 339 | 1.90 | 658 |
Cluster means and number of individuals within each categories
