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Re: Help: multiple linear regression fit [message #36185]

Tue, 12 August 2003 19:54

fishdick91
Messages: 2
Registered: August 2003

Junior Member

Craig Markwardt <craigmnet@cow.physics.wisc.edu> wrote in message news:<onoeyurhtw.fsf@cow.physics.wisc.edu>...
> And what of the MPFIT family of functions? Using the driver
> MPFITEXPR, you can set up an expression that almost exactly matches
> Some people seem to resist using a non-linear regression tool for a
Yes, we once thought so, although my colleagues and I have used your
tools to fit all kinds of spectra lines. :)
Now it seems the time for us to change our mind, and use MPFITEXPR to
do 'linear regression' also.
Thank you, for your procedures and your advice.
Good luck,

Dick
> linear problem on the basis of, "it's *ONLY* linear regression!"
> Originally I might explain that the heart of any non-linear regression
> package is a linear solver, so it's really all the same. Recently I
> just shrug and say, "their loss."
>
> Happy fitting,
> Craig
>
> http://cow.physics.wisc.edu/~craigm/idl/idl.html (under fitting)

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		Re: Help: multiple linear regression fit By: fishdick91 on Tue, 12 August 2003 19:54
		Re: Help: multiple linear regression fit By: Craig Markwardt on Tue, 12 August 2003 08:55

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