Yearly copper prices, 1800--1997 (in constant 1997 dollars).
Source
Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley & Sons: New York. Chapter 9.
Examples
plot(copper)
Yearly copper prices, 1800--1997 (in constant 1997 dollars).
Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley & Sons: New York. Chapter 9.
plot(copper)