Re: [ROOT] how to look histos in a loop

From: Edward Chen (edward@SLAC.stanford.edu)
Date: Thu Aug 28 2003 - 10:23:59 MEST

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Hi - you want:

> {
>     Double_t ave;
>     Int_t i;
>
>      TFile f("mpeak.root");
>      TH1F *h2= new TH1F("h2","",50,0.,1000);
>
>      for( i=6480; i<6500; i++){

	char myCut[255];
 	sprintf(myCut,"btub==55611&&ctub==%d",i);
	ntuple->Draw("bpul>>h2",myCut)
>      ave = h2->GetMean();
>      cout<<" average : "<<ave<<endl;
>       }
> }
>
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Next message: kilo grahams: "[ROOT] Very Urgent"
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In reply to: ginn gin: "[ROOT] how to look histos in a loop"
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