\name{sunspot.year} \docType{data} \alias{sunspot.year} \title{ Yearly Sunspot Data, 1700--1988 } \description{ Yearly numbers of sunspots. } \usage{ sunspot.year } \format{ The univariate time series \code{sunspot.year} contains 289 observations, and is of class \code{"ts"}. } \source{ H. Tong (1996) \emph{Non-Linear Time Series}. Clarendon Press, Oxford, p. 471. } \keyword{datasets}