Re: [Freesurfer] Multivariable linear regression with binary variables

2018-11-09 Thread Greve, Douglas N.,Ph.D.
mr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] Multivariable linear regression with binary variables You'd have 512 groups total, which is probably way too many regardless of whether you do so manually or automatically. You need to think about how you want

Re: [Freesurfer] Multivariable linear regression with binary variables

2018-11-09 Thread Worker, Amanda
November 2018 18:03:16 To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Multivariable linear regression with binary variables You'd have 512 groups total, which is probably way too many regardless of whether you do so manually or automatically. You need to think about how you wa

Re: [Freesurfer] Multivariable linear regression with binary variables

2018-11-08 Thread Greve, Douglas N.,Ph.D.
You'd have 512 groups total, which is probably way too many regardless of whether you do so manually or automatically. You need to think about how you want to model all those variables since modeling all possible interactions is not going to be possible. On 11/08/2018 12:45 PM, Worker, Amanda w

[Freesurfer] Multivariable linear regression with binary variables

2018-11-08 Thread Worker, Amanda
External Email - Use Caution Hi, I am trying to run a multivariable GLM with mri_glmfit and I am currently setting up my fsgd file. I have 9 binary variables and 1 continuous variable. My understanding is that in the fsgd file, my "class" would be every possible combination of