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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MeganQ
June 29, 2022 09:28AM
Hi AFNI experts,

I'm running amplitude modulation analyses, but at the group level I just want the overall main effect (e.g., I have no contrasts or conditions). I have been unable to find any tutorials that go over setting up group level analyses without contrasts (probably because it's not common!). When I run it with the following script, not specifying any glt, I simply get the Intercept F output. All I'm looking for is a group level effect which combines across each subject-level AM analysis (#1 coef) below. Thank you!

3dMVM \
-prefix 3dMVM.Aim1AntPM.062322 \
-jobs 11 \
-dataTable \
Subj InputFile \
s1541 $subjdata/s1541/s1541.results.AggPM062322/stats.s1541+tlrc'[Ant#1_Coef]' \
s1562 $subjdata/s1562/s1562.results.AggPM062322/stats.s1562+tlrc'[Ant#1_Coef]' \
s1571 $subjdata/s1571/s1571.results.AggPM062322/stats.s1571+tlrc'[Ant#1_Coef]' \
s1577 $subjdata/s1577/s1577.results.AggPM062322/stats.s1577+tlrc'[Ant#1_Coef]' \
s1585 $subjdata/s1585/s1585.results.AggPM062322/stats.s1585+tlrc'[Ant#1_Coef]' \
s1587 $subjdata/s1587/s1587.results.AggPM062322/stats.s1587+tlrc'[Ant#1_Coef]' \
s1591 $subjdata/s1591/s1591.results.AggPM062322/stats.s1591+tlrc'[Ant#1_Coef]' \
s1610 $subjdata/s1610/s1610.results.AggPM062322/stats.s1610+tlrc'[Ant#1_Coef]' \
s1614 $subjdata/s1614/s1614.results.AggPM062322/stats.s1614+tlrc'[Ant#1_Coef]' \
s1622 $subjdata/s1622/s1622.results.AggPM062322/stats.s1622+tlrc'[Ant#1_Coef]' \
s1629 $subjdata/s1629/s1629.results.AggPM062322/stats.s1629+tlrc'[Ant#1_Coef]' \
s1671 $subjdata/s1671/s1671.results.AggPM062322/stats.s1671+tlrc'[Ant#1_Coef]' \
s1693 $subjdata/s1693/s1693.results.AggPM062322/stats.s1693+tlrc'[Ant#1_Coef]' \
s1718 $subjdata/s1718/s1718.results.AggPM062322/stats.s1718+tlrc'[Ant#1_Coef]' \
s1714 $subjdata/s1714/s1714.results.AggPM062322/stats.s1714+tlrc'[Ant#1_Coef]' \
s1692 $subjdata/s1692/s1692.results.AggPM062322/stats.s1692+tlrc'[Ant#1_Coef]' \
s1712 $subjdata/s1712/s1712.results.AggPM062322/stats.s1712+tlrc'[Ant#1_Coef]'

tar -cvzf $results/*.BRIK
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Subject Author Posted

Group level analysis with no contrasts

MeganQ June 29, 2022 09:28AM

Re: Group level analysis with no contrasts

gang June 29, 2022 01:12PM

Re: Group level analysis with no contrasts

MeganQ June 30, 2022 09:08AM