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 1.3.1 Index]