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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gang
March 31, 2015 05:30PM
Naveed,

There are a couple of issues with your 3dMVM command lines:

1) I believe that 'sex' should be a between-subjects (not within-subject) factor. So remove

-wsVars sex \

and set

-bsVars "diag+sex+age+IQ" \

If you want to model some interactions, use '*' instead of '+'. For example, "diag*sex" would give you both main effects of diag and sex and their interaction.

2) You need to declare that age and IQ are quantitative variables:

-qVars 'age,IQ' \

You may want to pay attention to the centering issue with option -qVarCenters:

[afni.nimh.nih.gov]

3) You don't really need 40 CPUs. 8 or 12 would be probably good enough.

Gang
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Subject Author Posted

3dLME model problem

Naveed March 29, 2015 10:45PM

Re: 3dLME model problem

gang March 30, 2015 10:05AM

Re: 3dLME model problem

Naveed March 30, 2015 11:04PM

Re: 3dLME model problem

gang March 31, 2015 05:30PM

Re: 3dLME model problem

Naveed March 31, 2015 11:38PM