Dear Donald,

I am trying to run the sample data to check for proper installation of the gPPI toolbox. I get the following output and then errors:

P =

struct with fields:
subject: 'sampleData_Study'
directory: '/mnt/resource/f.linsen/gPPI/running_gPPI_generic/sampleData/stats'
VOI: '/mnt/resource/f.linsen/gPPI/running_gPPI_generic/rmedPrecCing.nii'
Region: 'rmedPrec'
analysis: 'psy'
method: 'cond'
Estimate: 1
contrast: 0
extract: 'eig'
Tasks: {1×13 cell}
Weights: []
equalroi: 1
FLmask: 0
CompContrasts: 1
Contrasts: [1×2 struct]
Log File: sampleData_Study_PPPI_6_9_2022_2.log
PPPI Version: 13.1.4-17-2014
Parameters used:
Processing subject: sampleData_Study
VOI file : /mnt/resource/f.linsen/gPPI/running_gPPI_generic/rmedPrecCing.nii
Output file will be: sampleData_Study_rmedPrec_session#_cond_PPI_regressors.txt
Contrast : No adjustment
Analysis : Psychophysiological Interactions
Extraction : eigenvariate
Tasks : _0_etoh_on_onsets_run1_etoh_off_onsets_run1_etoh_urge_onsets_run1_attn_on_onsets_run1_attn_off_onsets_run1_attn_urge_onsets_run1_etoh_on_onsets_run2_etoh_off_onsets_run2_etoh_urge_onsets_run2_attn_on_onsets_run2_attn_off_onsets_run2_attn_urge_onsets_run2
Method : Condition Specific
VOI has 549 voxels in 3x3x3 space
VOI has 549 voxels in 3x3x3 space. This is in the the same space as the input data and functional mask.

Operands to the || and && operators must be convertible to logical scalar
values.
Error in dlmwrite (line 133)
useVectorized = realdata && precnIsNumeric && ~contains('%\',dlm) ...
Error in PPPI (line 861)
dlmwrite([P.subject '_' region1 '_session' num2str(z) '_' P.method
'_PPI_regressors.txt'],[OUT.PPI.C OUT.P.C OUT.Y.C OUT.C.C],' ');
Error in runOnSampleData (line 49)
PPPI(P, ['/mnt/resource/f.linsen/gPPI/running_gPPI_generic' filesep
'sampleData' filesep 'stats' filesep 'gPPI_sampleDataTest.mat']);


Hope to hear from you!

Kind regards,
Ploon