R/roadwear.R

In slgf: Bayesian Model Selection with Suspected Latent Grouping Factors

#' Roadwear data on four tires, each comprising three compounds,
#' from a balanced incompleted block design.
#'
#' Davies (1954) analyzes the wear on four tires, where each tire comprises
#' three distinct compounds.
#'
#' @docType data
#'
#' @usage data(roadwear)
#'
#' @format A data frame with 12 rows and 3 variables:
#' \describe{
#'   \item{abrasion}{the measurement of abrasion.}
#'   \item{compound}{the compound from which each measurement was taken,
#'   either A, B, C, or D.}
#'   \item{tire}{the tire from which each measurement was taken,
#'   either 1, 2, 3, or 4.}
#' }
#'
#' @references
#' \insertRef{tires}{slgf}
#'
#' @keywords datasets
#'
#'
"roadwear"