A typical medium sized environmental data set with hourly measurements of NOx pollution content in the ambient air.
A data frame with 8088 observations on the following 5 variables.
day number, a factor with levels 373 ... 730, typically with 24 hourly measurements.
\log of hourly mean of NOx concentration in ambient air [ppb] next to a highly frequented motorway.
\log of hourly sum of NOx emission of cars on this motorway in arbitrary units.
Square root of wind speed [m/s].
Source
René Locher (at ZHAW, Switzerland).
Use the following R code to directly access this dataset in R.