Hi Steve,
It says the following:
Suzanna@suzanna ~/FSL_DATA/tbss/stats
$ avwinfo all_FA_skeletonised
data_type
dim1 182
dim2 218
dim3 182
dim4 15
datatype 16
pixdim1 -1.0000000000
pixdim2 1.0000000000
pixdim3 1.0000000000
pixdim4 1.0000000000
cal_max 0.0000
cal_min 0.0000
glmax 0
glmin 0
origin1 91
origin2 127
origin3 73
file_type ANALYZE-7.5
-----Original Message-----
From: FSL - FMRIB's Software Library
[mailto:[log in to unmask]] On Behalf Of Steve Smith
Sent: 11 May 2007 15:19
To: [log in to unmask]
Subject: Re: [FSL] randomise
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
>
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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
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