R/haberman.r

In dkahle/algstat: Algebraic Statistics

#' Haberman's Positive Margin no Three-way Interaction MLE
#' 
#' Haberman's example of a log-linear model (the no-three way
#' interaction model) that lacks an MLE even though it has positive
#' margins.
#' 
#' @name haberman
#' @docType data
#' @keywords datasets
#' @usage data(haberman)
#' @format A 2x2x2 (contingency) table
#' @author unknown
#' @references Haberman, S. (1974). \emph{The Analysis of Frequency
#'   Data} 1, 2. University of Chicago Press, Chicago, IL.
NULL