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Monthly totals of airline passengers from 1949 to 1951
A data frame with 144 observations on the following 2 variables.
number of passengers in thousands
the date as a decimal
Well known time series example dataset
Box, G.E.P., Jenkins, G.M. and Reinsel, G.C. (1994) Time Series Analysis, Forecasting and Control, 3rd edn. Englewood Cliffs, N.J.: Prentice-Hall.
data(airpass) ## maybe str(airpass) ; plot(airpass) ...
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