datasets (version 3.0.3)

sunspot.year: 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.