Root Programming: Input/Output Comparison

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To compare input and output data in ROOT programming, users can overlay two histograms in the same diagram. While it is possible to use the ROOT browser, it is often easier to use the command prompt or write a script for execution. ROOT is built on C++ libraries, so understanding basic C++ commands is essential. Users can utilize commands like "Draw('SAME')" for histograms, and additional examples can be provided for clarity. For beginners, detailed explanations of these commands and plotting techniques are crucial for effective data visualization.
lamyaa
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Hi all,

I want ask you about root programming , if I have A (mass number) for output and input data for experiment how I can comparison between A input and A output
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Draw both in the same diagram? (histogram->Draw("SAME") iirc).
Draw a two-dimensional plot (probably not in the object browser)?
 
thanks a lot ,

but I am beginner in this programming

please, can you explain this point in details

how I can draw both in the same diagram?
 
It's not super easy to overlay two histograms on the same canvas in root using the root browser.

It's easiest to just use the command prompt or write a script to be executed by root. ROOT is essentially just a collection of C++ libraries, so there really isn't 'root programming' its just C++. One of the previous posters already gave the basic commands for that. I can give a more explicit example if you need it.
 

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