R/ cars.R

In jgkwes/oneway: One-way Analysis of Variance

#'@title Car class and highway milage
#'
#'@description
#'A data frame 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 234 rows and three 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 the \code{mpg} dataset in the 
#'\code{\link{ggplot2}{mpg}} dataset


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