Daily morning temperature of a cow. Measure at 6.30am for 75 consecutive mornings by counting chirps from a telemetric thermometer implanted in the cow. Data are chirps per 5-minute interval minus 800.
Source
Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley & Sons: New York. Exercises 2.3 and 2.4.
Examples
plot(cowtemp)
tsdisplay(cowtemp)