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 Linear fit with Least-Squares Method		  New Topic  Reply to Topic
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marij_999

Italy
1 Posts
Posted - 06/12/2009 :  3:27:06 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 8 SR0 v8.0724 (B724)
Operating System:Windows XP

Hello, i don't understand how i can do a fitting linear with Least-Squares Method.
Thank's for your help,
Martina M.

easwar

USA
1964 Posts
Posted - 06/12/2009 :  3:44:37 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Martina,

The Linear Fit tool accessible from the Analysis->Fitting... menu DOES perform least-square regression, see help page:
http://originlab.com/www/helponline/Origin8/en/regression_and_curve_fitting/linear_regression.htm

You can also use the nonlinear fitter, if desired, to fit with the Line (and other functions) in the Polynomial category.

Easwar
OriginLab
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