//make rscoreFreq map and rCumul
map<float,float>::iterator it2 = rscoreFreq[a].find(it->first);
rCumul[a][it->first] = rcumul;
//make rscoreFreq map and rCumul
map<float,float>::iterator it2 = rscoreFreq[a].find(it->first);
rCumul[a][it->first] = rcumul;