R/ISI-sincon.R

In gobbios/EloRating: Animal Dominance Hierarchies by Elo Rating

# isi 15_07_05

#' strength of inconsistencies
#'
#' calculate strength of inconsistencies
#'
#' @param mat square interaction matrix with winner in rows and losers in columns, for example the output from \code{\link{creatematrix}}
#'
#' @return integer, the summed strength of inconsistencies in the matrix
#'
#' @author Christof Neumann
#'
#' @references 
#' \insertRef{devries1998}{EloRating}
#'
#' @details helper function for \code{\link{ISI}}
#'
#' @examples
#' data(bonobos)
#' EloRating:::.sincon(bonobos)
#'


.sincon <- function(mat) {
  dmat <- .diffmat(mat)
  sum(dmat[upper.tri(mat)][mat[upper.tri(mat)] < t(mat)[upper.tri(mat)]],
      na.rm = TRUE)
}