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chap1 - Introduction to Time Series(Chapter 1 1.1 Examples...

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1 1 1.1 Examples of time series Ex 1.1.1 (Australia red wine sales; WINE.DAT ) Introduction to Time Series (Chapter 1) x t = monthly sales of red wine (1000 litres) t = (Jan, 1980), (Feb, 1980), . . . , (Oct, 1991) or t=1, 2, . . . , 142. 2 Figure 1.1: Australian red wine sales (thousands) 1980 1982 1984 1986 1988 1990 1992 0.5 1.0 1.5 2.0 2.5 3.0 Features: upward trend seasonal pattern (peak in July, trough in Jan) increase in variability
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