Re: [Freesurfer] Error with mri_glmfit command

2019-05-30 Thread Greve, Douglas N.,Ph.D.
It could be a couple of things: 1. Your covariates have a large scale. You can try demeaning and dividing by the stddev to bring them into the range of 1.0 2. It looks like your covariates are highly correlated. You may need to reduce them or do a component analysis. On 5/30/19 12:53 PM, Martin

Re: [Freesurfer] Error with mri_glmfit command

2019-05-30 Thread Martin Juneja
External Email - Use Caution Dear Douglas, Bruce (and FS experts), I was just wondering if you got a chance to look at the Xg.dat file attached in my previous email. I would really appreciate any help in resolving the following error I get after I run mri_glmfit command: ERROR: m

Re: [Freesurfer] Error with mri_glmfit command

2019-05-24 Thread Martin Juneja
External Email - Use Caution Hi Dough, Please find the Xg.dat file attached here. Thanks. On Fri, May 24, 2019 at 7:30 AM Greve, Douglas N.,Ph.D. < dgr...@mgh.harvard.edu> wrote: > Can you send the Xg.dat file? > > On 5/23/2019 8:43 PM, Martin Juneja wrote: > > External

Re: [Freesurfer] Error with mri_glmfit command

2019-05-24 Thread Greve, Douglas N.,Ph.D.
Can you send the Xg.dat file? On 5/23/2019 8:43 PM, Martin Juneja wrote: External Email - Use Caution Hi FS experts, I want to find clusters showing an association between cortical measures and behavior x6 (sex, age and variables x1-x5 as covariates). My FSGD file looks like: GroupDes

[Freesurfer] Error with mri_glmfit command

2019-05-23 Thread Martin Juneja
External Email - Use Caution Hi FS experts, I want to find clusters showing an association between cortical measures and behavior x6 (sex, age and variables x1-x5 as covariates). My FSGD file looks like: GroupDescriptorFile 1 Class Male Class Female Variables x1 x2 x3 x4 x5 x6 Ag