| ozone {Rlab} | R Documentation |
Monthly mean concentrations of ozone.
Description
The ozone data frame has 552 rows and 3 columns. The first column is the mean monthly ozone concentration in Dobson units of the ozone layer at Arosa, Switzerland, from 1926 to 1971.
Format
A data frame with 518 observations on the following 3 variables.
- ozone
: mean monthly ozone in Dobson units
- year
: year in which measurements were taken (4 digits)
- month
: month in which measurements were taken (3 letter abbreviation)
[Package Rlab version 4.0 Index]