RobStatTM: Robust Statistics: Theory and Methods

#' Glass data
#'
#' Measurements of the presence of seven chemical constituents in
#' 76 pieces of glass from nonfloat car windows.
#'
#' Format: 76 cases and 7 continuous variables.
#' Description: The columns are:
#' 1. RI refractive index
#' 2. Na2O sodium oxide (unit measurement: weight percent in
#' corresponding oxide, as are the rest of attributes)
#' 3. MgO magnesium oxide
#' 4. Al2O3 aluminum oxide
#' 5. SiO2 silcon oxide
#' 6. K2O potassium oxide
#' 7. CaO calcium oxide
#'
#' @docType data
#'
#' @usage data(glass)
#'
#' @format An object of class \code{"data.frame"}.
#'
#' @source Hettich, S. and Bay, S.D. (1999), The UCI KDD Archive
#' http://kdd.ics.uci.edu, Irvine, CA: University of California,
#' Department of Information and Computer Science.
#'
#' @examples
#' data(glass)
"glass"