#' Data frame of 200 cpr numbers
#'
#' This is just a repeated sample of 8 synthesized cpr-numbers 
#' for testing purposes.
#'
#' @format A data frame with 200 rows and 1 variable:
#' \describe{
#'   \item{cpr}{Mixed format cpr-numbers, characters}
#' }
#' @source \url{https://da.wikipedia.org/wiki/231045-0637}
#' @usage data(cprs)
"cprs"