(Note that this C-R function is based on the original air quality dataset used in the ACS study, covering 50 cities, and used the median PM2.
The mean of PM2 is used in the function.
mnli hypothesis: The mean of PM2 is used in the function. premise: (Note that this C-R function is based on the original air quality dataset used in the ACS study, covering 50 cities, and used the median PM2.