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Hi - it's possible that there may be an issue with the released version of fsl_glm. Please could you interact with Matthew to compare the released version with our current in-house version, to see if we need to release a patch on that? Thanks, Steve. On 29 Oct 2009, at 06:07, Zhen Zonglei wrote: > Hi all: > When I used fsl_glm to do one sample t-test with text matrix, I > found it always return wrong results. After retesting it with > different data, I doubt that fsl-glm will automatically add a > constant regressor( the b item in the equation: Y = X*B + b+error ) > to the regressors user specified(i.e. X)? So, fsl_glm can not do one > sample t-test. Am I right? > > Thanks. > > Zonglei Zhen > > > -- > Zonglei Zhen, PhD > Assistant Professor of Cognitive Neuroscience > BNU Imaging Center for Brain Research, State Key Laboratory of > Cognitive Neuroscience and Learning, P.R. China --------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------