Table 1 Hotspot co-occurrence with geographic features
From: Detecting urban PM2.5 hotspots with mobile sensing and Gaussian process regression
Tile classification | Contains main road | Digital elevation (m) | Built-up surface area (%) | |||
|---|---|---|---|---|---|---|
No | Yes | Mean | Std. Dev | Mean | Std. Dev | |
Hotspot | 70 | 114 | 1420.98 | 48.18 | 27.03 | 13.99 |
Coldspot | 59 | 1 | 1478.26 | 66.89 | 10.55 | 10.55 |
Neutral | 2595 | 1324 | 1479.91 | 97.20 | 21.82 | 14.29 |
