Did the GLM create any design.* files apart from the fsf? The -t option requires a filename for the contrasts ( e.g. <rootname>.con ). Many Regards Matthew > Dear All, > This is my first experience with TBSS analysis. I followed step by > step the instructions > found on the web site with success until the last step where I have > to generate the > design.mat and design.con files. I tried on the terminal to run the > Glm with no luck, so I > used the GUI, I defined my contrasts and everything but when I > pressed save I could see > only a design.fsf file, furthermore by trying the following: > randomise -i all_FA_skeletonised -o tbss -m mean_FA_skeleton_mask -d > design.mat -t > > I got: > -t: Missing non-optional argument! > try: randomise --help > > Any help could be appreciated. > > P.S. I have some questions about the workflow of TBSS. For example > if I want to > compare one patient each time with a group of normal controls, do I > have to repeat the > steps from tbss_1_preproc ... to tbss_4_prestats for all the > subjects since the controls will > be the same in multiple experiments. >