 |
 |
Hi Guillaume and all, How can use the same code or any other code to get a standard error (not standard variation) of a ROI (of the non-zero voxels)? Many thanks Aser On Thu, Feb 19, 2015 at 2:29 PM, Flandin, Guillaume <[log in to unmask]> wrote: > Hello Aser, > > > if you want to compute the average signal of a set of images within a > ROI (defined as a binary mask) you can use the following: > > > M = spm_select(1,'image','Select ROI'); > P = spm_select([1 Inf],'image','Select image(s)'); > spm_summarise(P,M,@mean) > > > Best regards, > Guillaume. > > > ------------------------------ > *From:* SPM (Statistical Parametric Mapping) <[log in to unmask]> on > behalf of Aser A <[log in to unmask]> > *Sent:* 19 February 2015 14:18 > *To:* [log in to unmask] > *Subject:* [SPM] computing average of values in ROI > > Hello, > > Is it possible to use for example spm_select and select a ROI and then > output an average of the values inside this ROI? > > If yes how can I do this ? > > Many thanks > > Aser >