R/ex_node.R

In halfcircle: Plot Halfcircle Diagram

#' country attributes
#'
#' A dataset containing 154 countries who participate in the trade and related attributes.
#'
#' @format A data frame with 154 rows and 8 variables:
#' \describe{
#'   \item{country}{name of exporting country}
#'   \item{x}{longitude of the center of a country}
#'   \item{y}{latitude of the center of a country}
#'   \item{pop_total}{total number of population}
#'   \item{gdpc}{Gross Domestic Product per capita, in dollar}
#'   \item{area_cultivation}{total volume land for cultivation use, in ha}
#'   \item{water_total}{total volume of usable water, in cubic meter}
#'   \item{income_level}{5 levels by income}
#' }
#' @docType data
#' @source \url{http://fao.org/faostat/}
#' @usage data(ex_node)
"ex_node"