perARMA (version 1.3)

arosa: Monthly stratospheric ozone, Arosa

Description

A fifty-year time series of monthly stratospheric ozone readings from Arosa, Switzerland. The dataset length is equal to 684, but some of the observations are missing (denoted by NaNs).

Usage

data(arosa)

format

The format is: Time-Series [1:684] from 1 to 684: NaN NaN NaN NaN NaN NaN 312 300 281 267 ...

source

http://www.stat.unc.edu/faculty/hurd/stat185Data/arosadoc.html

References

Bloomfield, P., Hurd, H. L.,Lund, R., (1994), Periodic correlation in stratospheric ozone data. Journal of Time Series Analysis 15, 127-150.

Examples

data(arosa)
str(arosa)