#' Population in Korsoer by age and gender
#'
#' A dataset containing the number of people broken down by
#' age and gender in Korsoer in 1853. Data comes from...
#'
#'
#' @format A data frame with 9 rows and 5 variables:
#' \describe{
#'   \item{\bold{age_grop}}{Character vector of the age grouping}
#'   \item{\bold{f}}{Integer of number of females in each age group}
#'   \item{\bold{m}}{Integer of number of males in each age group}
#'   \item{\bold{u}}{Integer of number of people of unknown gender in each age group}
#'   \item{\bold{Total}}{Integer of number of males, females and unkowns in each
#'   age group} }