@subsubheading Description

Sales Data with Leading Indicator

@subsubheading Format

@table @code
@item record
Index of the record.
@item lead
Leading indicator.
@item sales
Sales volume.
@end table

@subsubheading 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/}.

@subsubheading References

Box, G. E. P. and Jenkins, G. M. (1976). @cite{Time Series Analysis, Forecasting and
Control}. San Francisco: Holden-Day. p. 537.

Brockwell, P. J. and Davis, R. A. (1991). @cite{Time Series: Theory and Methods},
Second edition. New York: Springer-Verlag. p. 414.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{BJsales_1.m}
@end example
