Re: [Freesurfer] Help with group analysis

2022-09-26 Thread Douglas N. Greve
you should be able to generalize two groups/one covariate and/or four groups one covariate. don't use gender as a continuous covariate. Make sure to normalize your covariates On 9/26/2022 10:30 AM, fernanda rohrsetzer wrote: External Email - Use Caution Hi, TKS for helping me! I

Re: [Freesurfer] Help with group analysis

2022-09-26 Thread fernanda rohrsetzer
External Email - Use Caution Hi, TKS for helping me! I looked at the examples of the FSGD files, but I believe that my data doesn't fit. I've three groups/three factors at three levels (LR=1, HR=2, MDD=3) and 6 covariates (gender, age and global brain measure). I don't know if I

Re: [Freesurfer] Help with group analysis

2022-09-25 Thread Douglas N. Greve
look at the fsgd examples to see if any fit your situation. Note that the input needs to be something like Input    310211    LR 1    15,5    2,678785    645292,6651 152275,2 ie, "LR" instead of "1", etc using commas (,) instead of points (.) may cause problems On 9/25/2022 1:10 PM, fernanda

Re: [Freesurfer] Help with group analysis

2022-09-25 Thread fernanda rohrsetzer
External Email - Use Caution I'm sorry! attached the FSGD file. Em dom., 25 de set. de 2022 às 14:10, Douglas N. Greve < dgr...@mgh.harvard.edu> escreveu: > no fsgd file was attached. Also, have you looked at >

Re: [Freesurfer] Help with group analysis

2022-09-25 Thread Douglas N. Greve
no fsgd file was attached. Also, have you looked at https://surfer.nmr.mgh.harvard.edu/fswiki/FsgdExamples ? On 9/23/2022 10:04 AM, fernanda rohrsetzer wrote: External Email - Use Caution Hi Freesufer's, I need to run a group analysis but I don't know how to do it, the error always

[Freesurfer] Help with group analysis

2022-09-23 Thread fernanda rohrsetzer
External Email - Use Caution Hi Freesufer's, I need to run a group analysis but I don't know how to do it, the error always appears (print below). There are 3 groups ( risk_group) that I would like to insert as a class (LR = level 1, HR = level 2 and MDD = level 3) and I would