\name{BJsales} \docType{data} \alias{BJsales} \alias{BJsales.lead} \title{Sales Data with Leading Indicator} \description{ The sales time series \code{BJsales} and leading indicator \code{BJsales.lead} each contain 150 observations. The objects are of class \code{"ts"}. } \usage{ BJsales BJsales.lead } \source{ The data are given in Box & Jenkins (1976). Obtained from the Time Series Data Library at \url{http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/} } \references{ G. E. P. Box and G. M. Jenkins (1976): \emph{Time Series Analysis, Forecasting and Control}, Holden-Day, San Francisco, p. 537. P. J. Brockwell and R. A. Davis (1991): \emph{Time Series: Theory and Methods}, Second edition, Springer Verlag, NY, pp. 414. } \keyword{datasets}