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Hi - yes, I think the FAQ must be out of date - i would trust more the route that I just suggested. Cheers. On 21 Aug 2007, at 16:56, Sophie Anisa wrote: > Hi Steve > > Many thanks for this. Your fix works just fine. > > May I clarify one point though. My simple group > average analysis: > >>> (3) I then set up a third level model for the simple group >>> average for >>> EV1 in task A by >>> using as inputs the COPEs >>> >>> subject1_A.feat/stats/cope1.nii.gz >>> subject2_A.gfeat/cope1.feat/stats/cope1.nii.gz >>> subject3_A.gfeat/cope1.feat/stats/cope1.nii.gz > > was basically taken from the FSL FAQ on what to do in exactly this > case: > > http://www.fmrib.ox.ac.uk/fslfaq/#feat_mixedup > > but as I found even in this case there is a discrepancy between the > no of volumes in the filtered_func and var_filtered_func vs tdof > merged files. > So, is this a real problem that *will* affect the final stats > images produced? > i.e. is the FAQ incorrect here, that really all 1st level analyses > must be converted > to the higher level directory format before they can be combined? > > kind regards > > Sophie ------------------------------------------------------------------------ --- 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 ------------------------------------------------------------------------ ---