Name:

Description:

Yearly numbers of sunspots from 1700 to 1988 (rounded to one digit).

Note that monthly numbers are available as sunspot.month, though starting slightly later.

Variables:

The univariate time series sunspot.year contains 289 observations, and is of class "ts".

Link To Google Sheets:

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References/Notes/Attributions:

Source

H. Tong (1996) Non-Linear Time Series. Clarendon Press, Oxford, p. 471.

See Also

For monthly sunspot numbers, see sunspot.month and sunspots.

Regularly updated yearly sunspot numbers are available from WDC-SILSO, Royal Observatory of Belgium, at http://www.sidc.be/silso/datafiles

R Dataset Upload:

Use the following R code to directly access this dataset in R.

R Coding Interface: