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Dear Fatima, it looks as if the error occured _after_ estimation (e.g. in a contrast manager batch). Are you able to view results for the analysis if you set up contrasts manually? Volkmar On Thu, 10 May 2007, FATIMA HUSAIN wrote: > I am trying to run a simple fullfactorial (mixed ANOVA) 2nd-level design in > SPM5. (this is because I could not do this in SPM2 in a straighforward > manner). > Factor1= group, levels =2, independent, unequal variance > Factor2= task, levels=2, dependent, equal variance. > > Group1 has 8 patients, Group2 has 16 controls. > > Should be easy right? But nooo... > > I get an error during estimation (appended below). If I change Factor1's > variance to "equal" it works, in that the contrasts are set up and I can see > the results. (Works regardless of Factor2 having equal or unequal variance.) > But this makes no sense because presumably the patients and controls have > unequal variance. I am using the latest version 714 updates. Don't have any > earlier updates version to try ... > 64-bit linux machine, recompiled the mex files. > > Any help is most appreciated. > > Fatima > > ----------------------------------- > > > > Spatial non-sphericity (over scans) > : ...estimating > derivatives > Spatial non-sphericity (over scans) : ...writing resels/voxel image > Saving results : ...done > Completed : 13:38:12 - 10/05/2007 > ...use the results section for assessment > > Error running job: > Improper index matrix reference. > > -- Volkmar Glauche - Department of Neurology [log in to unmask] Universitaetsklinikum Freiburg Phone 49(0)761-270-5331 Breisacher Str. 64 Fax 49(0)761-270-5416 79106 Freiburg http://fbi.uniklinik-freiburg.de/