Hi Paul, nope, that's nothing to worry about. This is just a warning message produced by code dealing with the normal distribution function. This will not affect the results. cheers christian On 20 Dec 2004, at 22:55, Paul Geha wrote: > hello everybody, > > thank you Steve for all the answers you have provided me; it is > helping me a lot in my higher level > analysis! > > I have a question: on the feat watcher window, a message is shown > during the higher level analysis > in between the numbers shoing how much of the percentage analysis has > been done. It says 'ndtri > domain error' . > > I have a "normal" output however. Should I worry about that? > thanks > Paul > ---------------------------------------------------------- > > Paul Geha M.D. > Northwestern University > The Feinberg School of Medicine > Department of Physiology M211 > 303 E. Chicago Ave. > Chicago, IL 60611 > Tel:312-218 1941 > Fax: 312-503-5101 > > -- Christian F. Beckmann Oxford University Centre for Functional Magnetic Resonance Imaging of the Brain, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK Email: [log in to unmask] - http://www.fmrib.ox.ac.uk/~beckmann/ Phone: +44(0)1865 222782 Fax: +44(0)1865 222717