Hi Jeff,
> Date: Samedi 14 août 2010, 17h37
> Thanks Steve,
> Also, if I demean my EV do I also need to use the -D option
> in
> randomise or is this redundant?
If you have not modelled the mean for your group in your design.mat (so just one EV of the covariate of interest demeaned for instance), then yes, you need to use the -D option.
Cheers,
Gwenaelle
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Gwenaëlle Douaud, PhD
FMRIB Centre, University of Oxford
John Radcliffe Hospital, Headington OX3 9DU Oxford UK
Tel: +44 (0) 1865 222 523 Fax: +44 (0) 1865 222 717
www.fmrib.ox.ac.uk/~douaud
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