R/skulls-data.R

In JedStephens/rarma: Package to accompany "R, A Researcher’s Modern Approach" (RARMA)

#' @name skulls
#' @title Five time periods of measurements describing a skull in the Thebaid
#' @docType data
#' @description to describe
#' @format A data frame with thirty skull realisaitons over five time periods for a total of 150 obsersavtions
#' \describe{
#'   \item{maximal_breadth}{Maximum length in millimeters}
#'   \item{basibregmatic_height}{Basibregmatic Height in millimeters}
#'   \item{basialveolar_length}{Basialveolar Length in millimeters}
#'   \item{nasal_height}{Nasal Height in millimeters}
#'   \item{time_period}{Time groupings}
#'   }
#' @details  Zea mays (maize) plant height in an experiment conducted by Darwin on
#' the effects of cross-fertilisation and self-fertilisation.
#' @source Thomson, A. and Randall-Maciver, R. (1905) Ancient Races of the Thebaid, Oxford: Oxford University Press
#' The data is in Insert (which is at the end of the volume).
#' @references  Hand, D.J., et al. (1994) A Handbook of Small Data Sets, New York: Chapman & Hall, pp. 299-301.
#' As cited in  Manly, B.F.J. (1986) Multivariate Statistical Methods, New York: Chapman & Hall.
#' @keywords datasets skulls
"skulls"