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

History of AFNI updates  

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May 01, 2021 04:37PM
> in lme4 (Time|Subj) is the same as (1+Time|Subj), if I am not mistaken?

Yes, they share exactly the same notation.

> For 3dLMEr so far, my next steps are input the residuals into 3dFWHMx and then use 3dClustsim for cluster correction
> - is there a way to do this with 3dMSS?

No, but you don't have to adopt a harsh thresholding approach, and instead show the results in a gradation fashion.

> -mrr 's(Time)+s(Time,by=Group)+(Age)+(Gender)' \
> -qVars 'Time,Group,Age' \

The above specification assumes that there are 10 or more time points. With 7 time points, try

-mrr 's(Time,k=7)+s(Time,by=Group,k=7)+Age+Gender'

> if I changed the model to Time*Group+Age+Gender+outcome1+outcome2+outcome3+(Time|Subj) , in order to
> be able to look at the effects of those outcome scores, I am basically correcting for them, am I not?

With this specification, you would be able to assess the association of each outcome with your outcome variable. However, I'm confused with your word "correcting": What do you mean by "correcting for them"?

Gang



Edited 1 time(s). Last edit at 05/02/2021 08:48AM by Gang.
Subject Author Posted

Contrasts for longitudinal 3dLMEr

AFNIuser007 April 30, 2021 10:11AM

Re: Contrasts for longitudinal 3dLMEr

gang May 01, 2021 08:44AM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 01, 2021 11:53AM

Re: Contrasts for longitudinal 3dLMEr

gang May 01, 2021 04:37PM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 01, 2021 09:00PM

Re: Contrasts for longitudinal 3dLMEr

gang May 02, 2021 09:00AM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 02, 2021 10:30AM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 13, 2021 12:31PM

Re: Contrasts for longitudinal 3dLMEr

gang May 13, 2021 10:12PM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 16, 2021 07:07AM

Re: Contrasts for longitudinal 3dLMEr

gang May 17, 2021 07:34AM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 25, 2021 03:37PM

Re: Contrasts for longitudinal 3dLMEr

gang May 26, 2021 01:06PM

Re: Contrasts for longitudinal 3dLMEr

AFNIuser007 May 27, 2021 04:11PM