Description Usage Format Details Source Examples
A monthly time series from January 1899 to June 2002 of sea-level pressure measurements relative to some baseline.
1 |
The format is: chr "arctic.oscillations"
See https://toptotop.org/ for more details on the importance of climate studies.
The data came from the file AO\_TREN\_NCEP\_Jan1899Current.ascii found many years ago at http://www.atmos.colostate.edu/ao/Data/ao\_index.html.
1 2 3 | data(arctic.oscillations)
x = ts(arctic.oscillations, start=c(1899,1), frequency=12)
plot(x)
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