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 Histogram data input and normal fitting		  New Topic  Reply to Topic
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Hell_World

USA
2 Posts
Posted - 11/26/2022 :  12:09:05 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin):
OriginPro 2022b (64-bit) SR1
Operating System:
Windows 11

Hi, I am trying to use Plot-Statistical-Histogram to plot the following histogram and the normal fitting curve. But I do not have the original data and it seems to me that the Histogram in Originlab need the raw data to automatically plot each bin and count. What should I input to plot this graph? Thank you.

snowli

USA
1454 Posts
Posted - 11/26/2022 :  2:20:44 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
U can plot the binned data as column/bar with no gap and do fit.

Thanks, Snow
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Hell_World

USA
2 Posts
Posted - 11/26/2022 :  11:49:27 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
quote:
Originally posted by snowli

U can plot the binned data as column/bar with no gap and do fit.

Thanks, Snow


Thanks for replying. I plot the binned data and fit the number with Gauss in Nonlinear Curve Fit. The resulting curve is not the same as the expected curve. Can you help me with the fitting? Thanks.
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YimingChen

1691 Posts
Posted - 11/28/2022 :  10:04:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
The fitting on the binned data is not appropriate here as there are not enough data points (only 4) for the fitting.

James
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