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adeodatoarthur

19 Posts
Posted - 04/13/2017 :  11:32:04 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Dear all,
I am trying to figure out how the origin calculates the Standard Erro on "statistcs of colum". There is any formula to know about any unit standard erro could have ?


Thanks a lot.

arstern

USA
237 Posts
Posted - 04/13/2017 :  12:12:20 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

1) You can create a new column within the worksheet and calculate the standard deviation by inputting a function for the set value, input StdDev(x)
http://www.originlab.com/index.aspx?go=Products/Origin/DataManagement/WorkbooksAndWorksheets&ss=chm&pid=1166

or

2) You can use the Statistics on Column dialog box
http://www.originlab.com/doc/Tutorials/DescStats#Calculating_Descriptive_Statistics_on_Grouped_Data

or

3) Another option that might be helpful is that you can use the statistics gadget, which can calculate the standard error of your plotted graph:
http://www.originlab.com/doc/Origin-Help/Gadget-Statistics

--Aviel Stern
OriginLab
Edited by - arstern on 04/13/2017 12:15:05 PM
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adeodatoarthur

19 Posts
Posted - 04/13/2017 :  2:47:03 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Oh thanks a lot. I have already calculated the standard erro using this process in Origin. But I would like to know how the program make this calculus. What formula it uses ? To know about any unit a must use when presenting the standard erro.
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arstern

USA
237 Posts
Posted - 04/13/2017 :  3:01:08 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Here is a link that lists the equations corresponding with the the statistical quantities that can be determined with the Statistics on Columns dialog box, including standard deviation. Hopefully this is what you are looking for.

http://www.originlab.com/doc/Origin-Help/DescStats-Dialog

Thanks,
Aviel Stern
OriginLab
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