xmp12.16 {Devore6} | R Documentation |
Correlation of concentrations of two pollutants
data(xmp12.16)
A data frame with 16 observations on the following 2 variables.
Devore, J. L. (2003) Probability and Statistics for Engineering and the Sciences (6th ed), Duxbury
``The Carbon Component of the Los Angeles Aerosol: Source Apportionment and Contributions to the Visibility Budget'', J. Air Polution Control Fed., 1984: 643-650.
data(xmp12.16) plot(y ~ x, data = xmp12.16, xlab = "Ozone concentration (ppm)", ylab = "Secondary carbon concentration") cor(xmp12.16$x, xmp12.16$y) cor.test(~ x + y, data = xmp12.16)