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chen-data.R
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chen-data.R
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#' @name chen
#' @docType data
#'
#' @title Cross-correlation data from Chen (2015)
#'
#' @description Urbanization and economic development data from Chen (2015)
#' compiled from, National Bureau of Statistics of China
#'
#' @format A list object with 3 elements:
#' \describe{
#' \item{X}{per capita GRP(yuan)}
#' \item{Y}{Level of urbanization percent}
#' \item{M}{Railway Distance (km) matrix of 29 Chinese regions}
#' }
#'
#' @references
#' Chen, Y.G. (2012) On the four types of weight functions for spatial contiguity
#' matrix. Letters in Spatial and Resource Sciences 5(2):65-72
#' @references
#' Chen, Y.G. (2013) New approaches for calculating Moran’s index of spatial
#' autocorrelation. PLoS ONE 8(7):e68336
#' @references
#' Chen, Y.G. (2015) A New Methodology of Spatial Cross-Correlation Analysis.
#' PLoS One 10(5):e0126158. doi:10.1371/journal.pone.0126158
#'
#' @source \url{https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0126158}
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