Nothing
ranking = function(data,numeric.info){
if(length(numeric.info)>=2){
order= apply(data[,numeric.info+1],2,rank)
}
else if(length(numeric.info==1)){
order=rank(data[,numeric.info+1])
}
data[,numeric.info+1]=order
return(list(data=data,order=order))
}
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