help > Error when running Results on fALFF
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May 22, 2025  01:05 AM | Christopher Hyatt - Olin Neuropsychiatry Research Center
Error when running Results on fALFF

I have no issues with running SBC on resting state data from a group of 18 subjects (with six conditions), but when running fALFF I get the following error when trying to run 2nd level 'Results' stats on the fALFF analysis. The 1st level analysis of fALFF ran without error. 


ERROR DESCRIPTION:
 
Error using assert
Empty implicit analysis mask (data from one subject may have all NaN values, or all subjects may have zero or
constant values)


Error in conn_process (line 5228)
 assert(isfield(SPM.xX_multivariate,'F'),'Empty implicit analysis mask (data from one subject may have all NaN values, or all subjects may have zero or constant values)');


Error in conn_process (line 99)
 case 'results_voxel', [varargout{1:nargout}]=conn_process(16,varargin{:});


Error in conn (line 12638)
 if strcmp(lower(varargin{1}),'gui_results_wholebrain_vv'), conn_process('results_voxel','dosingle','voxel-to-voxel');


Error in conn (line 11721)
 elseif state==3, conn gui_results_wholebrain_vv;
CONN22.v2407
SPM12 + DAiSS DEM FieldMap MEEGtools marsbar
Matlab v.2023b
project: CONN22.v2407
storage: 77670.3Gb available
 
spm @ /opt/spm12
conn @ /net/hhctnas01/mnt/pool1/labs/AMFM/Apps/conn_v22a/conn


 


Has anyone seen this, and knows a workaround?


Thanks,


Chris


 

  Edited (May 22, 2025  01:05 AM)
May 22, 2025  11:05 PM | Christopher Hyatt - Olin Neuropsychiatry Research Center
RE: Error when running Results on fALFF

My setup for my six conditions was incorrect, but I fixed it and it now works fine.

  Edited (May 23, 2025  12:05 AM)