Hi list, I'm not sure that the files reported below are correct to assess the longitudinal difference between T1 and T2.Please, could you check it? The result which I have obtained bu running mri_glmfit is too strange.ThanksBest regardsStefano 1) PAIRWISE.fsgd file-------------------GroupDescriptorFile 1Class subj1Class subj2...Class subjNVariables TP1-vs-TP2Input subj1_tp1 subj1 1Input subj1_tp2 subj1 -1Input subj2_tp1 subj2 1Input subj2_tp2 subj2 -1...Input subjN_tp1 subjN 1Input subjN_tp2 subjN -1---------------------------- 2) mean.mtx1 1 ... 1 0------------------------------3) tp-effect.mtx0 0 ... 0 1------------------------------4) mri_glmfit --glmdir PAIRWISE --y ces.nii.gz --wls cesvar.nii.gz --surface fsaverage rh --nii.gz --fsgd PAIRWISE.fsgd doss --C mean.mtx --C tp-effect.mtx
That looks correct. You can also checkout the instructions here:
https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis
On 9/17/17 6:07 PM, stdp82@virgilio.it wrote:
Hi list,
I'm not sure that the files reported below are correct to assess the longitudinal difference between T1 and T2. Please, could you check it? The result which I have obtained bu running mri_glmfit is too strange. Thanks Best regards Stefano
- PAIRWISE.fsgd file
GroupDescriptorFile 1 Class subj1 Class subj2 ... Class subjN Variables TP1-vs-TP2 Input subj1_tp1 subj1 1 Input subj1_tp2 subj1 -1 Input subj2_tp1 subj2 1 Input subj2_tp2 subj2 -1 ... Input subjN_tp1 subjN 1 Input subjN_tp2 subjN -1
- mean.mtx
1 1 ... 1 0
- tp-effect.mtx
0 0 ... 0 1
- mri_glmfit --glmdir PAIRWISE --y ces.nii.gz --wls cesvar.nii.gz
--surface fsaverage rh --nii.gz --fsgd PAIRWISE.fsgd doss --C mean.mtx --C tp-effect.mtx
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Douglas Greve -
stdp82＠virgilio.it