Description

A study the relationship between atmospheric ozone concentration and meteorology in the Los Angeles Basin in 1976. A number of cases with missing variables have been removed for simplicity.

Usage

Format

A data frame with 330 observations on the following 10 variables.

O3

Ozone conc., ppm, at Sandbug AFB.

vh

a numeric vector

wind

wind speed

humidity

a numeric vector

temp

temperature

ibh

inversion base height

dpg

Daggett pressure gradient

ibt

a numeric vector

vis

visibility

doy

day of the year

Source

Breiman, L. and J. H. Friedman (1985). Estimating optimal transformations for multiple regression and correlation. Journal of the American Statistical Association 80, 580-598.

Examples