sunspot.year {datasets}R Documentation

Yearly Sunspot Data, 1700–1988

Description

Yearly numbers of sunspots.

Usage

sunspot.year

Format

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

Source

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

[Package datasets version 2.15.1 Index]