Hi, If you want to normalize your histogram to 1, do: Double_t scale = 1/h->Integral(); h->Scale(scale); If you want to normalize your histogram per entry and per unit of X axis, do Double_t scale = h->GetXaxis()->GetBinWidth(1)/(h->GetIntegral(); h-Scale(scale); Rene Brun On Wed, 6 Aug 2003, anita sharma wrote: > sir, > I want to know about the command of normalizing > histograms.I had gone through the manual, what i got > is > > Double_t scale = norm/h->Integral(); > hist->Scale(scale); > > i want to know about the norm parameter. > Actually i want to normalize a multiplicity > histogram[1/N dN/d(eta)] > > will u please help me > > > anita > jammu university > > > ________________________________________________________________________ > Send free SMS using the Yahoo! Messenger. Go to http://in.mobile.yahoo.com/new/pc/ >
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