Re: Histogram normalization

From: Jiri Masik (Jiri.Masik@cern.ch)
Date: Thu Jan 20 2000 - 02:17:13 MET


"Christopher B. Lirakis" <clirakis@bbn.com> writes:

> Hello all,
> 	Is there an easy way to normalize a histogram? I have tried to do this by 
> getting the array contents, dividing by a value, but have not yet found the 
> correct method to return the scaled values to the bins.
> 

Chris,

you can use TH1::Integral and TH1::Scale. Setting the histogram
bin by bin can be done by SetBinContent, SetBinError.
see http://root.cern.ch/root/html/TH1.html for details.

	Jiri



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