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Correlation between county level HB estimates of PM2.5and AQS-based PM2.5concentrations
|
Geo-imputation approach |
Grid resolution |
Correlation coefficient |
|
|---|---|---|---|
| Pearson(r) | Kendall Tau-B(τ) | ||
| Population-weighted county centroid containment |
36-km |
0.94 |
0.83 |
| 12-km |
0.86 |
0.69 |
|
| Grid cell centroid containment |
36-km |
0.92 |
0.78 |
| 12-km |
0.84 |
0.67 |
|
| Geometric intersection |
36-km |
0.91 |
0.76 |
| 12-km | 0.84 | 0.66 | |
