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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