[Freesurfer] mri_glmfit error

2020-06-15 Thread
External Email - Use Caution Hello Freesurfer Experts! I met the mri_glmfit error: matrix is ill-conditioned or badly scaled, condno = 1e+08.I am trying to run a 8 group 3 variables analysis: with diagnosis being my variable of interest and trying to regress out the effects of

Re: [Freesurfer] Question regarding Qdec vs mri_glmfit

2020-02-22 Thread
ed four classes (TLE-Male, TLE-Female, etc) and change the contrast to reflect it, otherwise I think it looks ok. Load the sig.mgh file into freeview (or the tksurferfv freeview wrapper) On 2/19/2020 10:31 PM, 邓刊 wrote: External Email - Use Caution Dear Freesurfer support,

Re: [Freesurfer] Question regarding Qdec vs mri_glmfit

2020-02-21 Thread
he sig.mgh file into freeview (or the tksurferfv freeview wrapper) On 2/19/2020 10:31 PM, 邓刊 wrote: External Email - Use Caution Dear Freesurfer support, we met some probelm when we investigate difference between two groups. We have two sets of data, one is the TLE gro

Re: [Freesurfer] Question regarding Qdec vs mri_glmfit

2020-02-21 Thread
oad the sig.mgh file into freeview (or the tksurferfv freeview wrapper) On 2/19/2020 10:31 PM, 邓刊 wrote: External Email - Use Caution Dear Freesurfer support, we met some probelm when we investigate difference between two groups. We have two sets of data, one is the TLE

[Freesurfer] Question regarding Qdec vs mri_glmfit

2020-02-19 Thread
External Email - Use Caution Dear Freesurfer support, we met some probelm when we investigate difference between two groups. We have two sets of data, one is the TLE group, the other is the extraTLE. We also has the variables: age,gender and neuropsychological test scores.

Re: [Freesurfer] Question about design matrix for surface group analysis

2019-11-13 Thread
-1 1 -1 ] ? Best wishes, Kan At 2019-11-12 01:18:10, "Greve, Douglas N.,Ph.D." wrote: >yes, that looks right to me. > >On 11/8/19 1:28 AM, 邓刊 wrote: >> >> External Email - Use Caution >> Dear freesurfer users, >> Dear freesurfer users,

[Freesurfer] Question about design matrix for surface group analysis

2019-11-07 Thread
External Email - Use Caution Dear freesurfer users, I have a question about the design matrix.We want to analyse the relationship between the cortical thickness and the neuropsychological test. We have two groups:TLE and extralTLE,one discrete variable:gender,and two contin