Hi Doug and Freesurfers,
I realized that I hadn't updated my group levels to one group. However, when I
do that..the qdec complains about group.level having at minimum two levels. How
can I run (using QDEC) single group regression?
Thanks,
Manish
________________________________
From: Manish Dalwani <manishdalw...@yahoo.com>
To: Douglas Greve <gr...@nmr.mgh.harvard.edu>; "freesurfer@nmr.mgh.harvard.edu"
<freesurfer@nmr.mgh.harvard.edu>
Sent: Thursday, June 20, 2013 1:26 PM
Subject: Re: [Freesurfer] Help with QDEC error
Hi Doug,
I was out of town for a conference. Please see my attachments. I have the log
file and screenshots of ill-matrix conditioning.
Thanks for your help!
Manish
________________________________
From: Douglas Greve <gr...@nmr.mgh.harvard.edu>
To: freesurfer@nmr.mgh.harvard.edu
Sent: Saturday, June 15, 2013 11:09 AM
Subject: Re: [Freesurfer] Help with QDEC error
Can you send the mri_glmfit.log file from
/Applications/freesurfer/subjects/qdec/Untitled ?
doug
On 6/14/13 4:57 PM, Manish Dalwani wrote:
Hello Freesurfers,
>
>
>I am trying to run regression analyses within patients and one variable of
>interest which adjusting for the nuisance variables age, IQ, thickness. When i
>select the group and the CD (variable of interest) and run analyses (DODS), I
>get the following error:
>
>
>Qdec 1.4 (Qdec1.4)
>
>
>Type: Error
>Time: Fri Jun 14 14:49:37 2013
>Description: Error in Analyze: command failed: mri_glmfit --y
>/Applications/freesurfer/subjects/qdec/Untitled/y.mgh --fsgd
>/Applications/freesurfer/subjects/qdec/Untitled/qdec.fsgd dods --glmdir
>/Applications/freesurfer/subjects/qdec/Untitled --surf fsaverage lh --C
>/Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Avg-Intercept-thickness.mat
> --C
>/Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Avg-thickness-CD-Cor.mat
> --C
>/Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Diff-CONTROLS-PATIENTS-Intercept-thickness.mat
> --C
/Applications/freesurfer/subjects/qdec/Untitled/contrasts/lh-Diff-CONTROLS-PATIENTS-Cor-thickness-CD.mat
>
>
>Please advice!
>
>
>Regards,
>Manish Dalwani
>Instructor
>Dept. of Psychiatry
>University of Colorado
>
>
>_______________________________________________
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but does not contain patient information, please contact the sender and properly
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