ozone {fields} | R Documentation |
The ozone
data is a list of
components, x and y. x
component is longitude and latitude position of each of the 20
Chicago monitoring stations, y is the average
daily ozone values over the time period 6/3/87-8/30/87.
data(ozone)
This data set is a list containing the following components:
AIRS, the EPA air quality data base.
Tps, Krig
fit<- Tps(ozone$x, ozone$y) # fitting a surface to ozone measurements. surface( fit, type="I")