Re: [Freesurfer] GLM error: matrix is ill-conditioned or badly scale

2022-09-12 Thread Cao Yuan
e for them. Is it the case that a BD with load=0 is the same as HC? If so, then just have one class. If not, do you expect the age, edu, and tiv slopes to differ between the groups? If not, then use DOSS (default was DODS). On 9/11/2022 3:28 AM, Cao Yuan wrote: External Email - Use Caution

[Freesurfer] GLM error: matrix is ill-conditioned or badly scale

2022-09-11 Thread Cao Yuan
External Email - Use Caution Dear experts, I would like to run mri_glmfit in a group analysis. However, I met the following error when I added the medicationload as variable in my fsgd file. Since I have 305 subjects and only 75 of these have medication load, it seems to this var