Nothing
meanDistanceDeviation <- function(g, dist=NULL){
# check if g is a graphNEL object
if(class(g)[1]!="graphNEL"){
stop("'g' must be a 'graphNEL' object")
}
stopifnot(.validateGraph(g))
if(is.null(dist)){
dist <- distanceMatrix(g)
}
nV <- numNodes(g)
dCM = rowSums(dist)
wien = wiener(g,dist)
Jii = sapply(1:nV, function(i){
abs((dCM[i])-(2*wien/nV))
})
Ji <- abs(dCM-(2*wien/nV))
return(1/nV * sum(unlist(Ji)))
}
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