111.1 Examples of time seriesEx 1.1.1 (Australia red wine sales; WINE.DAT)Introduction to Time Series (Chapter 1)xt= monthly sales of red wine (1000 litres)t = (Jan, 1980), (Feb, 1980), . . . , (Oct, 1991)or t=1, 2, . . . , 142.2Figure 1.1: Australian red wine sales(thousands)19801982198419861988199019920.51.01.52.02.53.0Features: upward trendseasonal pattern (peak in July, trough in Jan)increase in variability
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