Hi everyone, I’m a new user of both ROOT and RootTalk so please pardon my ignorance. I’ve been trying to normalize several histograms, and when I search in RootTalk, a multitude of ways comes up. How do I know which one is “right”? What is the difference between the following methods? Here are the…

myHist->Draw("HIST") You can check out the 1D histogram draw options here: https://root.cern.ch/doc/master/classTHistPainter.html#HP01a

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Different ways of normalizing histograms

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Wile_E_Coyote January 8, 2022, 11:15am 10

How do draw scale in histogram in version 6? ROOT

In ROOT 6, the TH1::Scale method automatically executes the TH1::Sumw2 method. If you want the old ROOT 5 behaviour, try: h11->Scale(1.2, "nosw2"); @couet The “L” drawing option is broken for weighted histograms (in both ROOT versions).

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