R/glass.R

In hhcartr: HHCART(G) - A Reflected Feature Space for CART

#' Glass Identification Dataset.
#'
#' The study of classification of types of glass was motivated by criminological
#' investigation. At the scene of the crime, the glass left can be used as evidence...
#' if it is correctly identified!
#'
#'  From USA Forensic Science Service; 6 types of glass; defined in terms of their oxide
#'  content (i.e. Na, Fe, K, etc).
#'
#' @docType data
#'
#' @usage data(glass)
#'
#' @format A data frame with 214 rows and 9 variables:
#' \describe{
#'   \item{Id number}{id number}
#'   \item{RI}{refractive index}
#'   \item{Na}{Sodium (unit measurement: weight percent in corresponding oxide, as are attributes 4-10) }
#'   \item{Mg}{Magnesium}
#'   \item{Al}{Aluminium}
#'   \item{Si}{Silicon}
#'   \item{K}{Potassium}
#'   \item{Ca}{Calcium}
#'   \item{Ba}{Barium}
#'   \item{Fe}{Iron}
#'   \item{Type of Glass}{(class attribute)  -- 1 building_windows_float_processed
#'   --2 building_windows_non_float_processed -- 3 vehicle_windows_float_processed
#'   --4 vehicle_windows_non_float_processed (none in this database) -- 5 containers
#'   -- 6 tableware -- 7 headlamps}
#' }
#'
#' @keywords datasets glass
#'
#' @source \url{https://archive.ics.uci.edu/ml/datasets/Glass+Identification}
"glass"