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Hi Christine,
One more change: the cells in the last 4 columns and last 16 rows should
all contain -1, otherwise contrasts won't produce the equivalent to a
comparison between means of all 5 conditions, as I guess is what you'd like
to do.
All the best,
Anderson



On 11 October 2013 14:30, Anderson M. Winkler <[log in to unmask]>wrote:

> Hi Christine,
>
> Design and contrasts look fine to me. However, the .grp file you sent
> contains all 1s. Use instead one index per subject, so that the
> permutations happen within subject only and across the 5 conditions.
>
> All the best,
>
> Anderson
>
>
>
> On 10 October 2013 14:56, Christine Wyss <[log in to unmask]> wrote:
>
>> Dear FSL experts,
>> I would like to compare 5 conditions within 1 group (n=16). I designed a
>> 1x5 ANOVA model as in the attachment and modified the .grp file regarding
>> the structure of the data. The contrasts are A-E, B-E, C-E, D-E. The
>> randomise function would look like:
>>
>> randomise -i merged_files.nii -o ANOVA_results -d 16x5.mat -t 16x5.con -f
>> 16x5.fts -e 16x5_neu.grp -T -n 14400 -v 5
>>
>> I would be very grateful if any of you could tell me if the design and
>> contrasts are right.
>>
>> Best,
>> Christine
>>
>>
>