search for: roidata

...bject worked on every cond fixed effect roi: 1 ... 2 ... 3 ... 4 ... as factor, 4 levels within subjects, ie signal was recored for every subject from all brain regions (of course) fixed effect mean: as numeric the signal mean value in a given time window I arranged that data in a data.frame called roiData I want a linear model of groupmembership, condition and roi to predict the mean signal value (as all the UV are kategorial and the AV is numeric this may be called ANOVA). As a first step I want to model all possible effects and their interactions (critisism that such a theory free hypothesis test...