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 Help with sigmoidal fit!		  New Topic  Reply to Topic
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gnatho

Germany
1 Posts
Posted - 03/20/2012 :  05:40:32 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Dear all,

I fitted my data with sigmoidal Boltzmann fit.

In the results log I can see the values of A1, A2, x0 and dx, and also error values are given right beside.

What kind of error is given here?

Is ist a standard deviation, or the standard error?

And how is this error calculated?

I'm working with Origin Version 6.1.

Thank you very much for your answers!

Hideo Fujii

USA
1582 Posts
Posted - 03/20/2012 :  10:21:53 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi gnatho,

The following is the explanation of the error of the estimated parameters, which should be Standard Error.

http://www.originlab.com/www/helponline/Origin/en/UserGuide/The_Fit_Results.html#Parameter_Standard_Errors

This page is of the Origin Help for 8.6, but likely applicable to ver. 6.1 .

By the way, the explanation of the Sigmoidal fit functions can be found at:

http://www.originlab.com/www/helponline/Origin/en/UserGuide/Fit_Sigmoidal.html

--Hideo Fujii
OriginLab
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