Hello. Do you know how to fill only 90% of an histogram’s area?
What is 100%? I don’t understand the question.
I am considering that when we calculate the area of an histogram in its range (from Xi -> Xf) we have 100% of the area, but I want to fill only 90% of this area (Xi -> X’) the area below Xi -> Xf is 90% of the total area.
So you have a first histogram and you want a second one that has 90% of its entries? Then do
TH1* second = (TH1*)first->Clone("second");
second->Scale(0.9);
first->Draw();
second->Draw("SAME")
Cheers, Axel.
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