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Mark,

so are you saying that if I have copes calculated by some other means,
I cannot use contrast_mgr to calculate fstats.
I cannot tell contrast_mgr that copes have already been calculated, and
to start after that point?

-Brad

On Sep 22, 2004, at 4:27 AM, Mark Woolrich wrote:

> Bradley,
>
> The only easy way to do this is to do a command line call to
> contrast_mgr on a feat stats directory. However, it can only be called
> in
> such a way that the t-contrasts are calculated at the same time. So
> you'll need to provide a design.con file as well:
>
> contrast_mgr -f design.fts statsdir design.con
>
> If that's no good (e.g.because your copes are calulated in some special
> way) you'll have to do the f stat calculation yourself in something
> like matlab.
>
> Cheers, Mark.
>
> Mark Woolrich.
>
> Oxford University Centre for Functional MRI of the Brain (FMRIB),
> John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK.
>
> Tel: (+44)1865-222782 Homepage: http://www.fmrib.ox.ac.uk/~woolrich
>
> On Tue, 21 Sep 2004, Bradley Goodyear wrote:
>
>> Is there a way to generate ZFSTAT images from the command line if I
>> have the all the necessary
>> COPES?
>> I have 4 COPES generated by averaging over multiple sessions (using
>> the fixed-effects techniques
>> outlined in the message archives). Knowing the F-test elements, which
>> I can extract from the
>> design.fsf files, can I use a command line to generate the FSTAT and
>> ZFSTAT images that
>> represent the mean over the multiple runs?
>>
>> -Brad
>>