Re: [ROOT] TH1 overflow bins and a Mean value

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon Aug 11 2003 - 11:03:09 MEST


Hi Ilia,

I have added a new static function to TH1
  void TH1::StatOverflows(Bool_t flag);

When flag is set to kTRUE  BEFORE FILLING stats will include
underflows and overflows.

Now in CVS.

Rene Brun

Ilia Ravinovich wrote:
> 
> On Fri, 8 Aug 2003, Rene Brun wrote:
> 
> Hi Rene,
> 
> I understand it as a convenient tradition, but sometimes it would be
> useful having both. Is it possible to have an option in
> 
> gStyle->SetOptStat(.....)
> 
> Thanks,
> 
> Ilia
> 
> > Not a bug or a feature. Just a convenient tradition.
> >
> > Rene Brun
> >
> > On Fri, 8 Aug 2003,
> > Aleksandr Tkachev wrote:
> >
> > > Hi,
> > >
> > > It looks like overflow bins in TH1 class have no effect on a calculation of
> > > the mean value :
> > >
> > > root [0] TH1F hist("test","test",10,0,10);
> > > root [1] hist->Fill(5.4);
> > > root [2] hist->Fill(15.5);
> > > root [3] hist->GetMean()
> > > (const Stat_t)5.40000000000000036e+00
> > >
> > > Is it a bug or feature ?
> > > Thanks,
> > > Sasha.
> > >
> > > _________________________________________________________________
> > > The new MSN 8: smart spam protection and 2 months FREE*
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> >
> >
> >
> 
> --
> ************************************************************************
> *                                                                      *
> *   Ilia Ravinovich                                                    *
> *   Department of Particle Physics             PHENIX Experiment       *
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