Re: [Freesurfer] FREESURFER] ERROR: matrix is ill-conditioned or badly scaled, condno = 164365

2015-01-26 Thread Douglas N Greve
Try demeaning your covariates. Do so on a sample-wise basis (ie, compute the mean age across all subjects, then subtract that mean from all ages) doug On 01/14/2015 07:30 PM, i_geschwind2013 wrote: > /Hello/ > /I’m trying to do an group analysis using mir_glmfit but I met this error./ > ERROR: m

Re: [Freesurfer] FREESURFER] ERROR: matrix is ill-conditioned or badly scaled, condno = 164365

2015-01-15 Thread geschwind2013
Hi,Doug yes, that works .. thanks. HA > 2015. 1. 16., 오전 1:07, Douglas N Greve 작성: > > > Try demeaning each covariate. Do so with respect to the mean across all > subjects and not within group. > doug > > On 01/15/2015 08:02 AM, 이현아 wrote: >> /Hello/ >> /I’m trying to do an group analysis

Re: [Freesurfer] FREESURFER] ERROR: matrix is ill-conditioned or badly scaled, condno = 164365

2015-01-15 Thread Douglas N Greve
Try demeaning each covariate. Do so with respect to the mean across all subjects and not within group. doug On 01/15/2015 08:02 AM, 이현아 wrote: > /Hello/ > /I’m trying to do an group analysis using mir_glmfit but I met this error./ > ERROR: matrix is ill-conditioned or badly scaled, condno = 1652

[Freesurfer] FREESURFER] ERROR: matrix is ill-conditioned or badly scaled, condno = 164365

2015-01-15 Thread 이현아
*Hello* *I’m trying to do an group analysis using mir_glmfit but I met this error. * ERROR: matrix is ill-conditioned or badly scaled, condno = 165279 1. my command line was mri_glmfit --y lh.age_edu.thickness.10b.mgh --fsgd age_edu.fsgd --C C_age.edu.mtx --surf fsaverage lh --cortex --glmdir

[Freesurfer] FREESURFER] ERROR: matrix is ill-conditioned or badly scaled, condno = 164365

2015-01-14 Thread i_geschwind2013
HelloI’m trying to do an group analysis using mir_glmfit but I met this error. ERROR: matrix is ill-conditioned or badly scaled, condno = 1652791. my command line was mri_glmfit --y lh.age_edu.thickness.10b.mgh --fsgd age_edu.fsgd --C C_age.edu.mtx --surf fsaverage lh --cortex --glmdir lh.age_edu.g