Dear Donald:
Thanks for sharing your gPPPI toolbox on listserv. I downloaded the files and I wanted to use it at least to compare with SPM PPI toolbox. I followed your the instructions in the PPPI.m file to create an input structure file (P), and then I modified the ppi_wrapper file as you suggested.
[P, error]=PPPI_checkstruct(P) shows that "P" struct is OK, and give no error.
However when I run ppi_wrapper(1,1,1) for example I get this error:
'Program will exit. VOI is not specified.' 'Program will exit. Analysis is not specified.' 'Program will exit. Method is not specified.'
One or more inputs are not correct.
'Program will exit. VOI is not specified.' 'Program will exit. Analysis is not specified.' 'Program will exit. Method is not specified.'
An analysis file (subject1_analysis_region2.mat) and a text file (1_PPI_DATE.txt) is saved when I run the ppi_wrapper code.
Please let me know if I am missing a key step in the procedure, and if a paper is available to better understand the toolbox.
Thank you, I highly appreciate your help.
Regards,
Soha
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