R/petrol.R

In fma: Data Sets from "Forecasting: Methods and Applications" by Makridakis, Wheelwright & Hyndman (1998)

#' Sales of petroleum and related product
#'
#' US monthly sales of petroleum and related product: Jan 1971 - Dec 1991.
#'
#' @format Multivariate time series data:
#' \describe{
#'   \item{Chemicals}{Sales of chemicals and allied products}
#'   \item{Coal}{Sales of Bituminous coal products}
#'   \item{Petrol}{Sales of petroleum and coal products}
#'   \item{Vehicles}{Sales of motor vehicles and parts}
#' }
#' @source Makridakis, Wheelwright and Hyndman (1998) \emph{Forecasting:
#' methods and applications}, John Wiley & Sons: New York. Chapter 8.
#' @keywords datasets
#' @examples
#' plot(petrol)
#'
"petrol"