Re: [Freesurfer] Fw: mriglmfit error

2019-04-12 Thread Greve, Douglas N.,Ph.D.
No, the idea is to merge the males and females into one column. I just so happens that the female column is all 0s and the females have a 0 in the male column, so you can effectively merge them by just removing the last column. You cannot test for a difference between genders on Ns_1 (which appe

[Freesurfer] Fw: mriglmfit error

2019-04-12 Thread Amrita Bedi
External Email - Use Caution Hi Dr Greve, Is the idea behind removing one column for the NS 1 column in the design matrix meant to remove the columns for females? And how do we know which of the two columns for the Ns_1 in the design matrix are for which gender? In the contrast

Re: [Freesurfer] Fw: mriglmfit error

2019-04-11 Thread Greve, Douglas N.,Ph.D.
In that case, you will have to create your own design matrix. The easiest way to do that is to start with the DODS Xg.dat matrix that you sent. There will be two columns for the NSI_1 variable (one for males, one for females). You need to reduce it down to one column. In the Xg.dat that you sen

Re: [Freesurfer] Fw: mriglmfit error

2019-04-11 Thread Amrita Bedi
External Email - Use Caution Hi Dr Greve, I can’t do the Fsgd in the DOSS format since it won’t be ok for my other 6 variables. I would appreciate it if you could guide me through it. Best Amrita On Thursday, April 11, 2019, Greve, Douglas N.,Ph.D. wrote: > Hi Amrita, first of