#' @title Imaginary flight network
#'
#' @description Network graph of an imaginary airline's flight routes.
#'
#' @format An igraph graph with 20 nodes and 192 edges
#' \itemize{
#' \item node: An origin or destination city
#' \item edge: A flight between two cities
#' }
"flightGraph"
#' @title Plotting layout for nodes of a network about flight data
#'
#' @description Plotting layout for nodes of a network about flight data
#'
#' @format A matrix of two columns and 20 rows
#' \itemize{
#' \item column 1: X position
#' \item column 2: X position
#' }
"flightLayout"
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