calif.air.poll: California air polution data

Description Usage Format Source Examples

Description

The calif.air.poll data frame has 345 sets of observations ozone level and meteorological variables in Upland, California, U.S.A., in 1976.

Usage

1

Format

This data frame contains the following columns:

ozone.level

Ozone concentration (ppm) at Sandburg Air Force Base.

daggett.pressure.gradient

Pressure gradient at Daggett, California.

inversion.base.height

Inversion base height, feet.

inversion.base.temp

Inversion base temperature, degrees Fahrenheit.

Source

Brieman, L. and Friedman, J. (1985). Estimating optimal transformations for multiple regression and correlation (with discussion). Journal of the American Statistical Association, 80, 580–619.

Examples

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