R/ex.r

In ExpDes: Experimental Designs Package

#' Vines: Split-Plot in Randomized Blocks Design
#'
#' @description Experiment about vines (not published) where one
#' studied the effects of different fertilizers and harvest dates
#' on the pH of grapes.
#' @docType data
#' @keywords datasets
#' @name ex
#' @usage data(ex)
#' @format A data frame with 24 observations on the following 4
#' variables.
#'   \describe{
#'   \item{\code{trat}}{a factor with levels \code{A} \code{B}}
#'   \item{\code{dose}}{a numeric vector}
#'   \item{\code{rep}}{a numeric vector}
#'   \item{\code{resp}}{a numeric vector}
#'   }
#' @author Eric Batista Ferreira,
#'  \email{eric.ferreira@@unifal-mg.edu.br}
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