Rebin the x-axis, say dividing the whole x-range into 10 bins

am trying rebin in this way but i know one command of rebing e.g. h->Rebin(10); but i don’t know is it right for this or not how i can manuplate it?


h->Rebin(h->GetNbinsX() / 10);

thanks. i tried it but it give me no effect it is working in same manner when i applied h->Rebin(10);

And what is your problem with this plot?

BTW. Before rebinning, you should probably execute:

if (h->GetSumw2N() == 0) h->Sumw2(kTRUE);

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