The data contain information on the median daily ozone concentration between June-August 2007 recorded at 631 monitoring stations in the Eastern United States.
The variables are the following.
- longitude: longitude coordinate of the monitoring station.
- latitude: latitude coordinate of the monitoring station.
- web_x: x-coordinate of the monitoring station in Web Mercator projection.
- web_y: y-coordinate of the monitoring station in Web Mercator projection.
- ozone: ozone concentration in parts per billion.
- popdens: density population (people per square kilometer).
Reference
Pati, D., Reich, B. J., Dunson, D. B. (2011). Bayesian geostatistical modelling with informative sampling locations. Biometrika 98:35-48.
Data file: eastcoast_ozone.csv
Boundaries: eastcoast_bndrs.csv
Grid: eastcoast_grid.csv (including the variable popdens)