Nothing
productOfRowSums <- function(g, dist=NULL, log=FALSE){
if(class(g)[1]!="graphNEL"){
stop("'g' must be a 'graphNEL' object")
}
stopifnot(.validateGraph(g))
if(is.null(dist)){
dist <- distanceMatrix(g)
}
if(log==FALSE){
return(prod(apply(dist,1,sum)))
}else{
return(log2(prod(apply(dist,1,sum))))
}
}
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