{
   gStyle->SetOptFit(1);
   gStyle->SetStatY(0.95);
   gStyle->SetStatX(0.90);
   gStyle->SetStatW(0.2);
   gStyle->SetStatH(0.15);
   gStyle->SetFitFormat("2.2e");
   TH1F *histo = new TH1F();
   histo->SetDefaultSumw2();

   TFile *histo_file = new TFile("histos.root");
   histo = (TH1F*)histo_file->Get("h_e2L_R07_fakerate_pt")->Clone();
///   histo->Divide(histo_file.Get("h_e1L_R13_fakerate_pt")->Clone());
   histo->SetMarkerStyle(21);
   histo->SetMarkerSize(1.5);

   TCanvas *cP = new TCanvas("canvas","canvas",700,600);
   cP->SetRightMargin(0.1);
   cP->SetFillColor(kWhite);
   cP->SetTopMargin(0.05);
   cP->SetBottomMargin(0.20);

   TF1 *f1 = new TF1("f1","pol0",0,100);

   histo->Draw("pe");
   histo->Fit("f1","S","same",25,100);
   f1->SetLineColor(kRed+1);
   f1->Draw("same");
   histo->SetMaximum(2);

   histo->GetYaxis()->SetTitle("Ratio 2L/1L");
   histo->GetYaxis()->CenterTitle();
}