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Leading indicator, 150 months; taken from Box and Jenkins (1970).
data(lead)
The format is: Time-Series [1:150] from 1 to 150: 10.01 10.07 10.32 9.75 10.33 ...
This is also the R time series BJsales.lead
: The sales time series BJsales
and leading indicator BJsales.lead
each contain 150 observations. The objects are of class "ts".