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Re: regarding accuracy of fit
From: |
Martijn |
Subject: |
Re: regarding accuracy of fit |
Date: |
Tue, 19 Jul 2011 10:09:04 +0200 |
Hi,
Please make clear what your model, is wat your data set and what the
problem. The accuracy can be judged from the stdresid, Z and r2 outputs
of leasqr.
Martijn
On Tue, 2011-07-19 at 09:58 +0200, preeti gaikwad wrote:
> yes I am using leasqr only to fit my curve so u mean if I use leasqr
> then I donot need to calculate residual???? I am not getting u.....
>
> On 19 July 2011 09:54, Martijn <address@hidden> wrote:
> Hi,
> You are not exactly clear, but I have the impression that you
> should
> look into the leasqr command of the optim package.
>
> Martijn
>
> P.S. leasqr in optim 1.0.16 is broken, at least in combination
> with
> octave 3.4. Version 1.0.12 works icw octave 3.2.
>
>
>
> On Mon, 2011-07-18 at 18:18 +0200, preeti gaikwad wrote:
> > Hello, PLease help me to calculate the accuracy of the fit?
> suppose I
> > have the value of y from the experimental data and value of
> f from the
> > fit now I want to know the best fit?
> >
> > I am doing that suppose R=y-f;
> > and then ploting R with x values this is giving the correct
> result but
> > I HAVE TOO much data to handle so I am getting a fluctuation
> with
> > straight line??? not getting what tto do??
> > thanks in advance for help
> >
> > --
> >
>
> > _______________________________________________
> > Help-octave mailing list
> > address@hidden
> > https://mailman.cae.wisc.edu/listinfo/help-octave
>
>
>
>
>
> --
> preeti gaikwad