Daily measurements of ozone concentration and eight meteorological quantities in the Los Angeles basin for 330 days of 1976.
data(ozone)
A data frame containing 330 observations on the following variables.
upo3 | Upland ozone concentration, in ppm. |
vdht | Vandenberg 500 millibar height, in meters. |
wdsp | Wind speed, in miles per hour. |
hmdt | Humidity. |
sbtp | Sandburg Air Base temperature, in Celsius. |
ibht | Inversion base height, in foot. |
dgpg | Dagget pressure gradient, in mmHg. |
ibtp | Inversion base temperature, in Fahrenheit. |
vsty | Visibility, in miles. |
day | Calendar day, between 1 and 366. |
Breiman, L. and Friedman, J. H. (1985), Estimating optimal transformations for multiple regression and correlation. Journal of the American Statistical Association, 80, 580--598.
Hastie, T. and Tibshirani, R. (1990), Generalized Additive Models. Chapman and Hall.