O3 |
| daily maximum of the hourly average ozone concentrations in Upland, CA |
vh |
| 500 millibar pressure height, measured at the Vandenberg air force base |
wind |
| wind speed in mph at LAX airport |
humidity |
| humidity in percent at LAX |
temp |
| Sandburg Air Force Base temperature in degrees Fahrenheit |
ibh |
| temperature inversion base height in feet |
dpg |
| pressure gradient from LAX to Daggert in mm Hg |
ibt |
| inversion base temperature at LAX in degrees Fahrenheit |
vis |
| visibility at LAX in miles |
doy |
| day of the year |
library(faraway) and the name
changed to ozone1 to prevent a name clash.
The data were originally made available by Leo Breiman who was a consultant
on a project where the data were generated.
Example analyses using these data may be found in Faraway and in Hastie and Tibshirani. > ozone1
O3 vh wind humidity temp ibh dpg ibt vis doy
1 3 5710 4 28 40 2693 -25 87 250 33
2 5 5700 3 37 45 590 -24 128 100 34
3 5 5760 3 51 54 1450 25 139 60 35
...
330 1 5550 4 85 39 5000 8 44 100 390
Hastie and Tibshirani (1990) Generalized Additive Models http://web.stanford.edu/~hastie/pub.htm
earth airquality a different set of ozone data