#' @references
#'
#' Gabriel KR (1971) "The biplot graphic display of matrices with application to
#' principal component analysis". _Biometrika_ 58(3), 453--467.
#' \doi{10.1093/biomet/58.3.453}
#'
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.