airquality {base}R Documentation

New York Air Quality Measurements

Description

Daily air quality measurements in New York, May to September 1973.

Usage

data(airquality)

Format

A data frame with 154 observations on 6 variables.

[,1] Ozone numeric Ozone (ppb)
[,2] Solar.R numeric Solar R (lang)
[,3] Wind numeric Wind (mph)
[,4] Temp numeric Temperature (degrees F)
[,5] Month numeric Month (1–12)
[,6] Day numeric Day of month (1–31)

Details

Daily readings of the following air quality values for May 1, 1973 (a Tuesday) to September 30, 1973.

Source

The data were obtained from the New York State Department of Conservation (ozone data) and the National Weather Service (meteorological data).

References

Chambers, J. M., Cleveland, W. S., Kleiner, B. and Tukey, P. A. (1983) Graphical Methods for Data Analysis. Belmont, CA: Wadsworth.

Examples

data(airquality)
pairs(airquality, panel = panel.smooth, main = "airquality data")

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