R/leafnum.R

In quint: Qualitative Interaction Trees

leafnum<-function(nnum){
  #compute number of layers of the final tree
  nlayer<-floor(log2(max(nnum)))
  #order the leafs
  oleaf<-numeric(length(nnum))
  for (i in 1:length(nnum)){
    oleaf[i]<-nnum[i]*2^(nlayer-floor(log2(nnum[i])))
  }
  index<-sapply(1:length(oleaf),function(kk,vec){which(sort(vec)== vec[kk])},vec=oleaf )
  return(order(index))
}