10 Mar
2017
10 Mar
'17
5:39 p.m.
Hi FreeSurfer,
I have analyzed my diffusion data using Tracula and combined the voxelwise diffusion measures across all subjects in one file (following the guidelines on the wiki). In this text file, I saw that for some of these voxels some people have NAs, so their tract is most likely shorter. I now would like to do t-tests for each voxel and plot these in freeview (as also suggested in the wiki).
Would you recommend to only take those voxels that have a value in each subject to keep the number of subjects consistent at each voxel ?
Look forward to your thoughts on this.
Best wishes Heidi