ozone {funfits} | R Documentation |
x |
Longitude-latitude postion of monitoring stations. |
y |
Average daily ozone values over 1987 summer. |
The ozone
data is a list of two components, x and y. The x
component is longitude and latitude position of each of the 20
Chicago monitoring stations. The y component is the average
daily ozone values over the time period 6/3/87-8/30/87.
This data set is a list containing the following components:
AIR, the EPA air quality data base.
tps, krig, nnreg
tps(ozone$x, ozone$y) -> fit # fitting a surface to ozone measurements. plot(fit) # plots fit and residuals