Data.frame containing a sample of weekly average PM2.5 exposures across a range of states/counties. The PM2.5 data was downloaded from US EPA (https://aqs.epa.gov/aqsweb/airdata/download_files.html) daily data summaries and averaged by week. Forty-week ranges were assess for non-missingness and grouped for this dataset.
Usage
data(pm25Exposures)