Remove error bars

ROOT
1

Dear All

i have a histogram and i want to remove error bar from it . i Try diiferent ways but all useless. Plz could someone help me.

2

Z%20pt%20el
Z pt el.png649×666 6.75 KB

3

z_pt_ee->Draw("HIST");

4

Thank you so much. It is working .
but i want a little more improvement in plots . i want a smooth shape of histograms.

ZMASS2
ZMASS2.png655×656 6.49 KB
as you see in zmass plot there is ups and down i want a smooth curve or plot for it. Thankyou.

5

Try: z_pt_ee->Draw("HIST C");
or: z_pt_ee->Draw("HIST L");

But maybe you are looking for something like this:

TH1 *z_pt_ee_5 = z_pt_ee->Rebin(5, "z_pt_ee_5"); // merges 5 bins into 1 bin
z_pt_ee_5->Draw("HIST");