New York Air Quality Measurements
Daily air quality measurements in New York, May to September 1973.
Usage
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)
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Details
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.
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
require(graphics)
pairs(airquality, panel = panel.smooth, main = "airquality data")
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