How to make a simple error on histogram?

ROOT
1

I have first picture, i want second picture. How to do this without TBrowser?

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One
One1917×835 54.6 KB
Two
Two1915×835 50.5 KB

2

That’s the “HIST” versus the “E” draw options.

You can set the default draw option using something like:
your_histo->SetOption("E");

3

And without Draw function. Can i change TH1 Object?

5

SetOption(“E”) - Yes, this is what I was looking for, thanks :slightly_smiling_face:

6

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