#' @import ggplot2
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#' Estimate percentage errors
#'
#'Contains tools to measure and visualise the uncertainty around the percentages used to represent relative frequencies. These are useful when performing descriptive analysis of categorical variables.
#'
#'
#' @details{\tabular{ll}{ Package: \tab pcbars\cr Type: \tab Package\cr License: \tab GPL3\cr}}
#' @name pcbars-package
#' @aliases pcbars-package pcbars
#' @docType package
#' @author Andrey Davydenko, Maxim Shcherbakov and Sai Van Cuong from Volgograd State Technical University
#' @source
#' \url{https://github.com/svcuonghvktqs/pcbars}.
#'
#' @keywords package
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