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What does avwinfo all_FA_skeletonised say? On 11 May 2007, at 14:35, Suzanna Laycock wrote: > Hi, > > I'm trying to run the last part of tbss - randomise, and I get the > following error message. Any suggestions why? I have 9 control > and 9 patient subjects. Below is the design.mat and design.con files. > > Suzanna@suzanna ~/FSL_DATA/tbss/stats > $ design_ttest2 design 9 9 > > Suzanna@suzanna ~/FSL_DATA/tbss/stats > $ randomise -i all_FA_skeletonised -o tbss -m mea > n_FA_skeleton_mask -d design.mat -t design.con -n > 5000 -c 3 -V > 48620 permutations required for exhaustive test > number of rows in design matrix doesn't match numb > er of "time points" in input data! > > > My design.mat is: > > /NumWaves 2 > /NumPoints 18 > /PPheights 1 1 > /Matrix > 1 0 > 1 0 > 1 0 > 1 0 > 1 0 > 1 0 > 1 0 > 1 0 > 1 0 > 0 1 > 0 1 > 0 1 > 0 1 > 0 1 > 0 1 > 0 1 > 0 1 > 0 1 > > And my design.con is: > > /NumWaves 2 > /NumContrasts 2 > /PPheights 1 1 > /Matrix > 1 -1 > -1 1 > ------------------------------------------------------------------------ --- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ------------------------------------------------------------------------ ---