books: Sales of paperback and hardcover books
Description
Daily sales of paperback and hardcover books at the same store.Format
Bivariate time series containing the following columns:
- Hardcover
- Number of hardcover sales each day
Source
Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley
& Sons: New York. Exercise 4.5.