air
New York Ozone Concentration
Description
A data frame with 111 observations (rows), and 4 variables (columns),
taken from an environmental study that measured the four variables
ozone, solar radiation, temperature, and wind speed for 111 consecutive days.
Details
A data frame with columns:
ozone:
surface concentration of ozone in New York, in parts per million.
radiation:
solar radiation
temperature:
observed temperature, in degrees Fahrenheit.
wind:
wind speed, in miles per hour.
Source
John M. Chambers and Trevor J. Hastie, (eds.) Statistical Models in S,
Wadsworth and Brooks, Pacific Grove, CA 1992, pg. 348.
Examples
data(air)
# pairs(air)