Re: [Freesurfer] Group level analysis: Specifying contrasts

2016-04-12 Thread Douglas N Greve
Greve > [gr...@nmr.mgh.harvard.edu] > Sent: Monday, April 11, 2016 11:19 AM > To: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesurfer] Group level analysis: Specifying contrasts > > What is your source data? It looks like you have two time points per > subject, but the names of "o

Re: [Freesurfer] Group level analysis: Specifying contrasts

2016-04-12 Thread Afzal, Afsana
onday, April 11, 2016 11:19 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Group level analysis: Specifying contrasts What is your source data? It looks like you have two time points per subject, but the names of "offset" and "slope" suggest some preprocessing?

Re: [Freesurfer] Group level analysis: Specifying contrasts

2016-04-11 Thread Douglas N Greve
glas N Greve > [gr...@nmr.mgh.harvard.edu] > Sent: Friday, April 08, 2016 12:07 PM > To: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesurfer] Group level analysis: Specifying contrasts > > I don't know what you mean, can you just send the header of the fsgd > file

Re: [Freesurfer] Group level analysis: Specifying contrasts

2016-04-11 Thread Afzal, Afsana
PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Group level analysis: Specifying contrasts I don't know what you mean, can you just send the header of the fsgd file and the contrast matrix? On 04/04/2016 11:20 AM, Afzal, Afsana wrote: > Hi, > > I want to perform a linear re

Re: [Freesurfer] Group level analysis: Specifying contrasts

2016-04-08 Thread Douglas N Greve
I don't know what you mean, can you just send the header of the fsgd file and the contrast matrix? On 04/04/2016 11:20 AM, Afzal, Afsana wrote: > Hi, > > I want to perform a linear regression for a task with 3 different risk > conditions (low, medium, high) with the following linear trend: low =