AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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Jesse DeSimone
July 28, 2020 04:53PM
HI Gang,

I was using 3 subjects in each group simply to test the Script. I have 3 groups all with more than 20 subjects. I have acquired a single resting scan for each subject and computed Z-score coverted pearson correlation maps from a single ROI for each subject (input files). The goal is to compare all 3 groups using all combinations (g1 vs g2, g2 vs g3, g1 vs g3) while covarying for age and bmi across subjects.

Here is an example of the script I created.

3dMVM -prefix MVMtest1 -jobs 1 \
-mask /Users/jessedesimone/Desktop/MVM_analysis/Templates/network_masks_thr005/DAN_12mm_ntwk+tlrc \
-bsVars "group*age+bmi" \
-qVars age,bmi \
-num_glt 3 \
-gltLabel 1 g1_vs_g2 -gltCode 1 'group : 1*g1 -1*g2' \
-gltLabel 2 g1_vs_g3 -gltCode 2 'group : 1*g1 -1*g3' \
-gltLabel 3 g2_vs_g3 -gltCode 3 'group : 1*g2 -1*g3' \
-dataTable @/Users/jessedesimone/Desktop/MVM_analysis/flists/datatab.txt

Here is the input for datatab.txt. These are manufactured values for age and bmi - simply for testing purposes before input of the actual values.



Subj group age bmi InputFile \
subj1 g1 11 20 subj1.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj2 g1 12 21 subj2.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj3 g1 13 22 subj3.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj4 g2 11 20 subj4.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj5 g2 12 21 subj5.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj6 g2 13 22 subj6.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj7 g3 11 20 subj7.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj8 g3 12 21 subj8.DAN_12mm_RS+tlrc.HEAD[PearCorr#0] \
subj9 g3 13 22 subj9.DAN_12mm_RS+tlrc.HEAD[PearCorr#0]
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Subject Author Posted

Issue with 3dMVM

Jesse DeSimone July 28, 2020 11:24AM

Re: Issue with 3dMVM

gang July 28, 2020 12:13PM

Re: Issue with 3dMVM

Jesse DeSimone July 28, 2020 01:19PM

Re: Issue with 3dMVM

gang July 28, 2020 04:17PM

Re: Issue with 3dMVM

Jesse DeSimone July 28, 2020 04:53PM

Re: Issue with 3dMVM

Jesse DeSimone July 28, 2020 05:05PM