[MINC-users] fit_stages

[Lisa F. Akiyama]

Hi Andrew,

I had some assumptions about the fit_stages arguments values, but just
wanted to clarify.
Thank you for the explanation!


Best,
Lisa



On Tue, Jul 19, 2011 at 8:55 PM, Andrew Janke <a.janke at gmail.com> wrote:

> Hi Lisa,
>
> You are no doubt talking about volgenmodel?  If so this argument
> defines the fitting stages.
>
> So if your fit config was this:
>
> cai-harold$ cat bin/fit.10-genmodel.conf
> # ICBM nlin conf
>
> @conf = (
>   {'step' => 32, 'blur_fwhm' => 16, 'iterations' => 20},
>   {'step' => 16, 'blur_fwhm' => 8,  'iterations' => 20},
>   {'step' => 12, 'blur_fwhm' => 6,  'iterations' => 20},
>   {'step' => 8,  'blur_fwhm' => 4,  'iterations' => 20},
>   {'step' => 6,  'blur_fwhm' => 3,  'iterations' => 20},
>   {'step' => 4,  'blur_fwhm' => 2,  'iterations' => 10},
>   {'step' => 2,  'blur_fwhm' => 1,  'iterations' => 10},
>   );
>
> Then a -fit_Stages argument of lin,lin,lin,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3
> means:
>
>  * do a 'lin' linear fit of all subjects and make a model.
>  * do two more of the same above. (lin, lin)
>
>  * do a fit of all subjects using up to line 0 from the fit_config,
> repeat 3 more times
>     ({'step' => 32, 'blur_fwhm' => 16, 'iterations' => 20},
>
>  * do a fit of all subjects up to line 1 of the fit config x 4
>   {'step' => 32, 'blur_fwhm' => 16, 'iterations' => 20},
>   {'step' => 16, 'blur_fwhm' => 8,  'iterations' => 20},
>
> ....
>
>
> a
>
> On 20 July 2011 03:59, Lisa F. Akiyama <lrisa87 at uw.edu> wrote:
> > Hello MINC experts,
> >
> > Could someone explain to me what the numerical values signify when
> > you determine fit_stages (e.g.
> lin,lin,lin,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3).
> >
> > Thank you.
> >
> >
> > Best,
> > Lisa
> > _______________________________________________
> > MINC-users at bic.mni.mcgill.ca
> > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> >
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