R/amtrak.R

In speegled/tswrdata: Data for use with the book, Time Series with R, by Darrin Speegle.

#' Amtrak passengers
#'
#' Number of monthly passengers in thousands from January 1997 through March 2004.
#' 
#' @format A data frame with 87 observations of 4 variables
#' \describe{
#'   \item{month}{Date variable that is the first month of ridership statistics}
#'   \item{num_passengers}{Number of passengers in thousands}
#'   \item{t}{time period, from 1-87}
#'   \item{season}{month}
#' }
#'
#' @source Practical Time Series Forecasting with R, by Galit Shmueli and Kenneth Lichtendahl
"amtrak"