Hi,
After your advice, I try to edit some scripts for extracting the values.
Method 1:
step 1
3dRSFC -mask MASKNAME -nodetrend -bp_at_end -prefix PREFIX 0.01 0.1 INPUT_NAME
step 2
3dROIstats -nzmean PREFIX_mALFF
3dROIstats -nzmean PREFIX_fALFF
Method 2:
step 1
3dRSFC -nodetrend -bp_at_end -prefix PREFIX 0.01 0.1 INPUT_NAME
step 2
3dROIstats -mask MASKNAME -nzmean PREFIX_mALFF
3dROIstats -mask MASKNAME -nzmean PREFIX_fALFF
Method 3:
step 1
3dRSFC -nodetrend -bp_at_end -prefix PREFIX 0.01 0.1 INPUT_NAME
step 2
3dTstat -mask MASKNAME -nzmean PREFIX_mALFF
3dTstat -mask MASKNAME -nzmean PREFIX_fALFF
Which one is correct? Should I use the -nzmean option to compute the mean of non_zero voxels, or leave it off to compute the mean of all voxels?
Thanks!
-Jian