:orphan: .. _ahelp_sfim: **** sfim **** .. contents:: :local: | .. code-block:: none MCW SFIM: Stepwise Functional IMages, by RW Cox Usage: sfim [options] image_files ... + image_files are in the same format AFNI accepts + options are from the following: -sfint iname: 'iname' is the name of a file which has the interval definitions; an example is 3*# 5*rest 4*A 5*rest 4*B 5*rest 4*A 5*rest which says: - ignore the 1st 3 images - take the next 5 as being in task state 'rest' - take the next 4 as being in task state 'A' and so on; task names that start with a nonalphabetic character are like the '#' above and mean 'ignore'. *** the default 'iname' is 'sfint' -base bname: 'bname' is the task state name to use as the baseline; other task states will have the mean baseline state subtracted; if there are no task states from 'iname' that match 'bname', this subtraction will not occur. *** the default 'bname' is 'rest' -localbase: if this option is present, then each non-base task state interval has the mean of the two nearest base intervals subtracted instead of the grand mean of all the base task intervals. -prefix pname: 'pname' is the prefix for output image filenames for all states: the i'th interval with task state name 'fred' will be writen to file 'pname.fred.i'. *** the default 'pname' is 'sfim' Output files are the base-mean-removed averages for each non-base task interval, and simply the mean for each base task interval. Output images are in the 'flim' (floating pt. image) format, and