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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Nathan Petro
February 28, 2019 12:48PM
I am here to ask for advice on whether 3dMVM or 3dLME is the better option for our data analysis. The data consist of 2 between subjects factors (Group category: Group 1 vs Group 2; Ratings: continuous between 0 - 100, one value per participant) and 1 within subjects factor (9 Time points estimated from the TENT function). I would like to perform an analysis to test whether the TENT shape is differs based on the participants' Group and Rating (Time x Group x Rating interaction). As an initial approach I've set up this analysis in 3dMVM (code copied below), since I have 1 within subjects factor and the between subjects factors do not differ across levels of the within subjects factor. Is this the advisable route to take or is 3dLME better for this purpose? 


#!/bin/sh

3dMVM -prefix ANCOVA_TENT0to9 -jobs 6 \
-bsVars group*rate \
-qVars rate \
-wsVars time \
-dataTable @ANCOVAtable.txt
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Subject Author Posted

3dMVM or 3dLME?

Nathan Petro February 28, 2019 12:48PM

Re: 3dMVM or 3dLME?

gang February 28, 2019 02:04PM

Re: 3dMVM or 3dLME?

Nathan Petro March 01, 2019 01:48PM

Re: 3dMVM or 3dLME?

gang March 01, 2019 03:55PM