] Longitudinal analysis - contrast
Ok !
The good part - you were right - something changed - the error :)
Now its:
/??? Undefined function or method 'matlabpool' for input arguments ...
Error in lme_mass_fit at 123
Error in == lme_mass_fit_vw at 73
/
I will try
Bernal-Rusiel jbernal0...@yahoo.es
*Enviado:* Jueves 6 de diciembre de 2012 16:45
*Asunto:* Re: Re: [Freesurfer] Longitudinal analysis - contrast
Hello Martin,
Thanks for your confirmation. I downloaded the last version of
FreeSurfer: the dev5-20120624, from the ..fswiki/LMEModels
12:52
Asunto: Re: [Freesurfer] Longitudinal analysis - contrast
Hi Jorge,
Sorry, but I am not following :(
What is ni ?
if ni is number of repeated measures for each subject (as sortData help
says) - then, for each subject we did only 2 repeated measures, so ni should
be
ni = [2];
if ni
__
De: Alex Hanganu al.hang...@yahoo.ca
Para: FS Mailing List Freesurfer@nmr.mgh.harvard.edu; Jorge
Luis Bernal-Russiel jbernal0...@yahoo.es
Enviado: Miércoles 5 de diciembre de 2012 18:20
Asunto: Re: [Freesurfer] Longitudinal analysis - contrast
Bernal-Rusiel jbernal0...@yahoo.es
Enviado: Miércoles 5 de diciembre de 2012 18:20
Asunto: Re: [Freesurfer] Longitudinal analysis - contrast
Can you please help with this ?
Thanks in advance !
best,
Alex
...@yahoo.ca
Para: Martin Reuter mreu...@nmr.mgh.harvard.edu
CC: FS Mailing List Freesurfer@nmr.mgh.harvard.edu; Jorge Luis Bernal-Rusiel
jbernal0...@yahoo.es
Enviado: Jueves 6 de diciembre de 2012 16:45
Asunto: Re: Re: [Freesurfer] Longitudinal analysis - contrast
Hello Martin,
Thanks for your
*Asunto:* Re: [Freesurfer] Longitudinal analysis - contrast
Hello Martin,
thanks for the quick reply !
as I understood, from the LongitudinalTutorial, after
long_mris_slopes
the results can be seen for each subject, and in order to see the
group
results, all
Yeah, wrote that wiki page yesterday after all the emails on the list.
Glad it helps.
Best, Martin
On Wed, 2012-12-05 at 13:49 -0500, Alex Hanganu wrote:
Hello Martin,
Thanks for pointing out about qdec, I missed that part.
We performed this analysis on qdec.
Thanks for explaning the
-Jorge
De: Alex Hanganu al.hang...@yahoo.ca
Para: jorge luis jbernal0...@yahoo.es
CC: FS Mailing List Freesurfer@nmr.mgh.harvard.edu
Enviado: Miércoles 5 de diciembre de 2012 13:50
Asunto: Re: [Freesurfer] Longitudinal analysis - contrast
Hi Jorge,
thanks
Hi Jorge,
On the page presenting the ../fswiki/LinearMixedEffectsModels, I think
there is a misunderstanding -
You show the command:
mris_preproc --qdec
but --qdec is not recognized, and in the help menu of mris_preproc I
don't see this flag. So I guess you meant the --fsgd flag.
so,
Can you please help with this ?
Thanks in advance !
best,
Alex.
Le 05/12/2012 6:12 PM, Alex Hanganu a écrit :
Hi Jorge,
On the page presenting the ../fswiki/LinearMixedEffectsModels, I
think there is a misunderstanding -
You show the command:
mris_preproc --qdec
but --qdec is not
: Re: [Freesurfer] Longitudinal analysis - contrast
Can you please help with this ?
Thanks in advance !
best,
Alex.
Le 05/12/2012 6:12 PM, Alex Hanganu a écrit :
Hi Jorge,
On the page presenting the ../fswiki/LinearMixedEffectsModels,
I think there is a misunderstanding -
You show
Dear Freesurfer Experts,
We are analysing longitudinal data - the difference between 2 groups (P
and M) [19 and 17 subjects] with 2 time points for each group (A, B).
We are using the example of Repeated Measures Anova
(http://surfer.nmr.mgh.harvard.edu/fswiki/RepeatedMeasuresAnova)
For our
Hi Alex,
I am not familiar with the way Doug describes the repeated measure anova
on the wiki. Of course in a longitudinal setting repeated measures are
correlated and I am not sure if this is considered in that model there.
Since you have only 2 time points, why not simply compare the
Hello Martin,
thanks for the quick reply !
as I understood, from the LongitudinalTutorial, after long_mris_slopes
the results can be seen for each subject, and in order to see the group
results, all subjects should be analysed in the Qdec, and there I could
see the results for each group, but
Hi Alex,
as far as I know qdec can do what you want (compare e.g. the atrophy
rate across the two groups).
However, you don't need to use qdec for the second stage, you can run
mri_glmfit directly on the differences (or slopes). Basically you get a
thickness_yearly_change (or pct change) in
Freesurfer@nmr.mgh.harvard.edu
Enviado: Martes 4 de diciembre de 2012 19:19
Asunto: Re: [Freesurfer] Longitudinal analysis - contrast
Hello Martin,
thanks for the quick reply !
as I understood, from the LongitudinalTutorial, after long_mris_slopes
the results can be seen for each subject
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