R/copper.R

#' Copper price
#'
#' Yearly copper prices, 1800--1997 (in constant 1997 dollars).
#'
#'
#' @format Time series data
#' @source Makridakis, Wheelwright and Hyndman (1998) \emph{Forecasting:
#' methods and applications}, John Wiley & Sons: New York. Chapter 9.
#' @keywords datasets
#' @examples
#' plot(copper)
#'
"copper"

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fma documentation built on Feb. 16, 2023, 6:23 p.m.