Hi,

I followed your instructions and I got the errors as seen below.



>> SPM=spm_estimate_PPI(P.subject,'SPM.mat',P.Region,P.method,P.analysis,P.CompContrasts,0,[],0,0)

SPM12: spm_fMRI_design (v7210) 17:03:32 - 08/03/2018
========================================================================
Saving fMRI design : ...SPM.mat saved

SPM12: spm_fmri_spm_ui (v7018) 17:03:32 - 08/03/2018
========================================================================
Mapping files : ...done
Calculating globals : ...done
Saving SPM configuration : ...SPM.mat saved
estimate_PPI.m

SPM12: spm_spm (v7120) 17:03:36 - 08/03/2018
========================================================================
Chunk 1/2 : ...processingError using file2mat (line 16)
file2mat.c not compiled - see Makefile

Error in file_array/subsref>multifile2mat (line 179)
val(cc(i)+1:cc(i+1)) = file2mat(obj,int64(1),int64(x(y==i)));

Error in file_array/subsref>subfun (line 99)
t = multifile2mat(sobj,varargin{:});

Error in file_array/subsref (line 65)
t = subfun(sobj,args{:});

Error in nifti/subsref>rec (line 221)
t = subsref(t,subs(2:end));

Error in nifti/subsref (line 45)
varargout = rec(opt,subs);

Error in spm_data_read (line 62)
Y(i,:) = reshape(V(i).private.dat(ind{:}),1,[]);

Error in spm_spm (line 589)
Y(j,cmask) = spm_data_read(VY(j),chunk(cmask));%-Read chunk of data

Error in spm_estimate_PPI (line 312)
SPM=spm_spm(SPM);


Best,

Konstantinos