Stats 2vars and custom fit

08032014, 03:54 PM
Post: #1




Stats 2vars and custom fit
It looks like the custom/user regression just plots the equation supplied by the user, but doesn't allow for fitting the parameter of a custom equation to data. Is that correct?
Also, at least for linear fit, is it possible to force the yintercept to zero (i.e. Y=aX)? 

08042014, 05:52 AM
(This post was last modified: 08042014 07:23 AM by Angus.)
Post: #2




RE: Stats 2vars and custom fit
Yes that is correct.
The custom fit is only for visual verification of known curves. I thought that I could enter some expression and have a fitting done with that but was told that this is not intended. Maybe it is a feature that can be used in class  I did never use custom since then. I see no practical usage for it. 

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