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hubert1

Sweden
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Posted - 10/31/2005 :  09:36:48 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 5.0
Operating System: WinXP

Hey!

I have rather trivial question about linear fitting in Origin 5.0 .
When you are use linear fitting in Origin you can state diffrent errors bars for diffrent points. I wonder is standard deviation (SD)calculated by Origin for that kind of fitting (with diffrent errors bars) include those diffrent errors or just use fixed error?

Regards,
Hubert

Leo_Li

China
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Posted - 11/03/2005 :  01:06:56 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello Hubert,

In Origin5.0, the calculation of standard deviation (and standard error) has taken error bars (but not the "fixed error) into account. You can refer to Origin help documentation for detailed formulas etc.

Leo
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