Average of histograms

[eguiraud]

Hi @Jessica.PQ , I moved your post to a new topic as you originally replied to an old conversation.

These other threads might help:

Averaging histograms

Hello, I am trying to find a way to average multiple (~40) histograms and display error bars. Are there any convenient ways of doing this? Thanks. -Eric Grashorn

Calculate the average histogram of various histograms

I have a root file containing many pulses in histogram format. What I am trying to do is calculate the average pulse of those histograms. The code I am using is the following [code]#include “Riostream.h” #include void mean_Gamma_Flash(){ cout << “-------------------------------------------------------------------” << endl; gROOT->SetStyle(“Plain”); gStyle->SetOptStat(0000); gStyle->SetOptFit(0000); gStyle->SetOptTitle(0); Int_t detNum=1; Char_t dname[4]; sprintf(dname,"FIMG"); TStrin…

Average of histograms getting from root files

i am trying to take average of histograms which i retrieve from a root file? how can i do it?

Cheers,
Enrico