ozone {ibr}

Los Angeles ozone pollution data, 1976.

Description

Los Angeles ozone pollution data, 1976. We deleted from the original data, the first 3 columns which were the Month, Day of the month and Day of the week. Each observation is one day, so there is 366 rows. The ozone data is a matrix with 9 columns.

Format

This data set is a matrix containing the following columns:

[,1]	Ozone	numeric	Daily maximum one-hour-average ozone reading (parts per million) at Upland, CA.
[,2]	Pressure.Vand	numeric	500 millibar pressure height (m) measured at Vandenberg AFB.
[,3]	Wind	numeric	Wind speed (mph) at Los Angeles International Airport (LAX).
[,4]	Humidity	numeric	Humidity in percentage at LAX.
[,5]	Temp.Sand	numeric	Temperature (degrees F) measured at Sandburg, CA.
[,6]	Inv.Base.height	numeric	Inversion base height (feet) at LAX.
[,7]	Pressure.Grad	numeric	Pressure gradient (mm Hg) from LAX to Daggett, CA.
[,8]	Inv.Base.Temp	numeric	Inversion base temperature (degrees F) at LAX.
[,9]	Visilibity	numeric	Visibility (miles) measured at LAX.

Source

Leo Breiman, Department of Statistics, UC Berkeley. Data used in Breiman, L. and Friedman, J. H. (1985). Estimating optimal transformations for multiple regression and correlation, Journal of American Statistical Association, 80, 580–598.

See Also

ibr