R/tokyo_libraries.R

In adea: Alternate DEA Package

#'  A data set of Tokyo libraries
#' 
#' \code{tokyo_libraries} involves a set of 23 libraries in Tokyo and it has been used frequently in DEA literature.
#' 
#' @name tokyo_libraries
#' @docType data
#' @keywords data
#' @seealso See also \code{\link{adea-package}}.
#' 
#' @section Usage:
#' data('tokyo_libraries')
#' 
#' @format
#'
#' \code{Area.I1}: Area of library.
#'
#' \code{Books.I2}: Number of books.
#'
#' \code{Staff.I3}: Staff members.
#'
#' \code{Populations.I4}: Population of influence area.
#'
#' \code{Regist.O1}: Registered people.
#'
#' \code{Borrow.O2}: Borrowed books.
#' 
#' @details
#' The purpose of this dataframe is to be used in DEA (Data Envelopment Analysis).
#' 
#' The input variables are \code{Area.I1}, \code{Books.I2}, \code{Staff.I3} and \code{Populations.I4}.
#'
#' The output variables are \code{Regist.O1} and \code{Borrow.O2}.
#' 
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