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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dante.picchioni
June 04, 2020 02:46PM
Dear Colleagues,

Hi. I hope you are all coping with everything well.

I have a question about this text from the 3dDeconvolve help file: "It is VERY important to realize that statistics (F, t, R^2) computed in 3dDeconvolve are MARGINAL (or partial) statistics. For example, the t-statistic for a single beta coefficient measures the significance of that beta value against the regression model where ONLY that one column of the matrix is removed" (https://afni.nimh.nih.gov/pub/dist/doc/program_help/3dDeconvolve.html).

Got it. But what about the beta coefficients themselves? Are they also partial? I assume so because the t-statistics are testing their significance, but I thought I would check.

Sincerely,

Dante
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partial coefficients

dante.picchioni June 04, 2020 02:46PM

Re: partial coefficients

gang June 04, 2020 03:08PM

Re: partial coefficients

dante.picchioni June 04, 2020 03:21PM