Hi - yes, that's kind of opposite information - the more a data point is an outlier the more it will have a low weight (I think). There's more info in the FSL course practical: http://www.fmrib.ox.ac.uk/fslcourse/lectures/practicals/feat2/index.htm Cheers. On 1 Feb 2011, at 19:22, Xun Zhu wrote: > Hi, > > I am wondering what information the stats/weights1.nii.gz contains. It seems that the outliers have a significant small value in this 4D file but this it is slightly different from the prob_outlier1.nii.gz. > > Sorry for the question but unable to find any information elsewhere.... > > Thank you! > > Xun Zhu > > --------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------