while(getline(f, line)){
    Debug(i << "th line" << endl);

    k=0;
    stringstream iss(line);
    for (j=0; j < VARIABLES; j++){

      string val;
      stringstream convertor(val);

      getline(iss, val, ',');
      Debug(j << "th component: " << val << " " << endl);

      if(j == VARIABLES-1){
        if(val == s){
//          trees[0]->Fill();
          sDebug("signal detected" << endl);
        }
        else if(val == b){
//          trees[1]->Fill();
          sDebug("background detected" << endl);
        }
        else{
          cout << "ERROR OCCURED" << endl;
          return -1;
        }
      }

      else{
        convertor >> data[j];
      }

    }


    Debug(endl);
    i++;
  }

  tfile.Write();
----------------------------------------


  for(int i=0;i<SIGNALS;i++){

    TTree *t = v.at(i);
    int nentries = t->GetEntries();

    for(int j=0;j<nentries;j++){
      t->GetEntry(j);
      if(i==0)
      temphisto->Fill(data[1]);

      for(int k=0;k<VARIABLES-1;k++){
        histograms.at(i).at(k)->Fill(data[k]);
        if(i == 0 && k == 1){
          float num = data[k];
          cout << "i: " << i << "var: " << k << "val: " << num << endl;
        }
      }


    }

    for(int l=0;l<VARIABLES-1;l++){
      TH1F* histo = histograms.at(i).at(l);
//      histo->GetXaxis()->SetRange(histo->GetMinimum(),histo->GetMaximum());
    }
  }


  float *bins = temphisto->GetArray();
  for(int i=0;i<ENTRIES-1;i++){
    cout << bins[i] << " ";
  }
  //histograms.at(0).at(1)->Draw();
  temphisto->Draw();