| airquality | R Documentation |
Daily air quality measurements in New York, May to September 1973.
airquality
A data frame with 153 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) |
Daily readings of the following air quality values for May 1, 1973 (a Tuesday) to September 30, 1973.
Ozone: Mean ozone in parts per
billion from 1300 to 1500 hours at Roosevelt Island
Solar.R: Solar radiation
in Langleys in the frequency band 4000–7700 Angstroms from
0800 to 1200 hours at Central Park
Wind: Average wind speed in miles
per hour at 0700 and 1000 hours at LaGuardia Airport
Temp: Maximum daily
temperature in degrees Fahrenheit at La Guardia Airport.
The data were obtained from the New York State Department of Conservation (ozone data) and the National Weather Service (meteorological data).
Chambers, J. M., Cleveland, W. S., Kleiner, B. and Tukey, P. A. (1983) Graphical Methods for Data Analysis. Belmont, CA: Wadsworth.
require(graphics) pairs(airquality, panel = panel.smooth, main = "airquality data")
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