CERN ROOT Tutorial 25: Histogram Stacks and Useful Tricks

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Amazing video! Is there a way to change the color for each graph in the HStack?

KrishWu
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That’s a killer video for novices, thanks.

Eloss
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How to add parameters for the fitting function in FillRandom?

raktimmukherjee
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Loved it.
This video directly helps me a lot with my research as I'm generating a lot of histograms and I need to compare them.
However, can you make a tutorial on how to show both the histograms and the graph of their ratio in the same canvas.
That is, in the upper half of the canvas I want to plot both the histogram (what you just did in this video) and in the lower half, I want to plot the ratio of the histograms.
Is it possible?

radwanparvez
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at first thank you very much for this tutorial. it helps a lot! my question: how can I plot and fit two data-files (.txt in my case) with TGraphErrors() in one Canvas?

dasdingdongding
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@Physcis Matters Can you make a video on TRatioPlot. I am trying to make a ratio between two TProfile histograms but getting some error.

Warning in <TGraphAsymmErrors::Divide>: Number of graph points is different than histogram bins - 30 points have been skipped

tanmaya_shree