R/cars.R

In snak1219/oneWay: One-way Analysis of Variance

#' @title Car Class and Highway Mileage
#' 
#' @description 
#' \code A dtaframe containing car class and highway miles per gallon for 38 popular
#' car models between 1999 and 2008
#' 
#' 
#' @docType data
#' 
#' @keywords datasets
#' 
#' @name cars
#' @usage cars
#' 
#' @format A data frame with 2034 rows and 3 variables
#' The variables are as follows:
#' \describe{
#'   \item{hwy}{highway miles per gallon}
#'   \item{class}{car type}
#'   \item{year}{year of manufacture}
#' }
#' 
#' @source The data are a subset of \code{mpg} dataset in the
#' \code{\link{ggplot2}{mpg}} dataset
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