isnar: Introduction to Social Network Analysis with R

#' Example data from Echenique and Fryer (2006)
#'
#' Artificial example data from Echenique & Fryer (2006) representing a city
#' with black and white neighbourhoods.
#'
#' This data is taken from Echenique & Fryer (2006, figure III). The data
#' represent a fictional city composed of 30 neighborhoods that are either
#' black or white.
#'
#' @format Object of class "igraph". An undirected network with vertex
#' attributes
#' \itemize{
#' \item \code{type} (values 1 or 2).
#' \item \code{name}
#' }
#'
#' @source
#' Echenique, Federico and Roland G. Fryer, Jr. (2006) "A Measure of Segregation
#' Based On Social Interactions" Quarterly Journal of Economics CXXII(2):441-485
#'
#' @example examples/EFnet.R
#' @name EFnet
#' @keywords datasets
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