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Hi - all the stats values within the mask are weighted (before being used to calculate min, mean, max etc) when you turn on the weighting button - hence all the output stats values can potentially change, including the max. Cheers. On Tue, 13 Sep 2005, Armin Biller wrote: > Hi there, > > using featquery, I found the max-value (of, for example, PE/COPE values > converted to %) to be changed when weighting is allowed (i.e. when the > mask is not binarised). I see why median etc. should change, but I miss > the point why weighting should affect max and min. Does it make sense to > report max % changes estimated from weighted mask at all? Any > considerations would be very helpful to me. > > Thanks a lot in advance! > > Ciao, > Armin > -- Stephen M. Smith DPhil Associate Director, FMRIB and Analysis Research Coordinator Oxford University Centre for Functional MRI of the Brain John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve