R/BodyDensity.R

In QBAsyDist: Asymmetric Distributions and Quantile Estimation

#' Dataset concerning the actual measurements of bone density in adolescents
#'
#' A detailed description of this dataset is available in \url{https://web.stanford.edu/~hastie/ElemStatLearn/datasets/bone.data} and discussed in Friedman et al. (2001) and Takeuchi et al. (2006).
#'
#' @format A data frame with 485 rows and 4 variables:
#' \describe{
#' \item{idnum}{ID of adolescent.}
#' \item{age}{Age of adolescent.}
#' \item{gender}{Gender of adolescent.}
#' \item{spnbmd}{Relative Change in the actual measurements of bone density (BMD).}
#' }
#' @references{
#'  Friedman, J., Hastie, T. and Tibshirani, R. (2001). \emph{The Elements of Statistical Learning: Data Mining, Inference, and Prediction}, Springer series in statistics New York, USA
#'
#'  Takeuchi, I., Le, Q. V., Sears, T. D., and Smola, A. J. (2006). Nonparametric quantile estimation, \emph{Journal of Machine Learning Research}, Vol 7, pp. 1231--1264.
#'
#'
#' }
#' @examples
#' data(bone.data)
#' y=bone.data$spnbmd
#' x=bone.data$age
#' plot(x,y)
"bone.data"