Dear users,
I have recently read that you should never temporally concatenate without first demeaning the individual timeseries, posted by Stephen Smith? (http://www.mail-archive.com/hcp-users@humanconnectome.org/msg00444.html). I want to know if I should either A) demean the individual time series, concatenate, and THEN variannce normalize or B) demean, variance normalize and then concatenate? The code available includes demeaning and variance normalization run together: > wb_command -cifti-reduce <input> MEAN mean.dtseries.nii > wb_command -cifti-reduce <input> STDEV stdev.dtseries.nii > wb_command -cifti-math '(x - mean) / stdev' -fixnan 0 -var x <input> -var > mean mean.dtseries.nii -select 1 1 -repeat -var stdev stdev.dtseries.nii > -select 1 1 -repeat If it is the case that I should demean, concatenate and then variance normalize, would somebody be kind enough to update the command above. Many thanks, Kris -- Kristafor Farrant M.Sc. Lab Manager (BCCL) Department of Psychology 5151 San Amaro Drive Room 114 E University of Miami Coral Gables, FL 33124 Phone: 305-284-3273 Email: kxf...@miami.edu Website: http://www.psy.miami.edu/bccl/<http://www.psy.miami.edu/bccl/> _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
