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 Working with a dataset that is already binned
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ktrand

USA
2 Posts

Posted - 09/08/2021 :  5:58:32 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
I am analyzing particle size distribution data that was already sorted into histogram bins by the lab instrument software. I want to test the size distributions for normality and compare them to each other, but Kolmogorov-Smirnov and other tests available in origin only seem designed to work with raw data that has not yet been binned. Are there any statistical functions designed to work with a dataset like this, or do I need to write a script to un-bin my data in order to run the analyses?

Origin Ver. and Service Release (Select Help-->About Origin): 9.8.0.200
Operating System: Windows 10

Shirley_GZ

China
Posts

Posted - 09/09/2021 :  03:35:09 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi ktrand,

Yes, Kolmogorov-Smirnov test tool doesn't support the binned data, you might need un-bin your data and then run the analysis.

Thanks,
Shirley

Originlab Technical Service Team
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ktrand

USA
2 Posts

Posted - 09/13/2021 :  09:40:37 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Is there any function in Origin that can un-bin the data? I found several tools to bin data, but none to do the reverse.

quote:
Originally posted by Shirley_GZ

Hi ktrand,

Yes, Kolmogorov-Smirnov test tool doesn't support the binned data, you might need un-bin your data and then run the analysis.

Thanks,
Shirley

Originlab Technical Service Team



logan rand
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easwar

USA
1939 Posts

Posted - 09/14/2021 :  10:03:11 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello Rand,

Sorry, we do not have any built in routines to un-bin data. We do have embedded python functionality, so if you find a Python package that supports un-binning, that could be an option.

Easwar
OriginLab
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