Monthly copper prices. Copper, grade A, electrolytic wire bars/cathodes,LME,cash (pounds/ton) Source: UNCTAD (http://stats.unctad.org/Handbook).

mcopper

Format

time series

Source

Hyndman, R.J., Koehler, A.B., Ord, J.K., and Snyder, R.D., (2008) Forecasting with exponential smoothing: the state space approach, Springer

References

http://www.exponentialsmoothing.net

Examples

plot(mcopper,main="Monthly copper price",ylab="pounds per ton",xlab="Year")