R/data-pinaster.r

In biometrics: A Package for Biometrics and Modelling

#' Tree volume for Pinus pinaster in the Baixo-Mino, Galicia, Spain
#'
#' @description
#' These are volume measurements data of sample trees in the Baixo-Mino
#' region in Galicia, Spain.
#' @usage
#' data(pinaster)
#' @format Contains tree-level variables, as follows:
#' \describe{
#' \item{stand}{Stand number from the sample tree was selected.}
#' \item{si}{Site index of the stand.}
#' \item{tree.no}{Tree number.}
#' \item{dbh}{Diameter at breast height, in cm.}
#' \item{toth}{Total height, in m.}
#'  \item{d4}{Upper-stem diameter at 4 m, in cm.}
#' \item{volwb}{Tree gross volume, in m\eqn{^{3}}{^3} with bark.}
#' \item{volwob}{Tree gross volume, in m\eqn{^{3}}{^3} without bark.}
#'  }
#' @source
#' The data are provided courtesy of Dr. Christian Salas-Eljatib at
#' the Universidad de Chile (Santiago, Chile).
#' @references
#'  - Salas C, Nieto L, Irisarri A. 2005. Modelos de volumen para
#' Pinus pinaster Ait. en la comarca del Baixo Mino, Galicia,
#' España. Quebracho 12:
#' 11-22. \url{https://eljatib.com/publication/2005-12-01_modelos_de_volumen_p/}
#'
#' @examples
#' data(pinaster)
#' head(pinaster)
'pinaster'