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
February 14, 2017 08:48AM
Daniele,

You do seem to raise a good point! So for seed-based correlation analysis, when there are unequal numbers of confounding effects (including censoring) involved across subjects, it would be more appropriate to perform the following operation (as opposed to the simple Fisher transformation) before group analysis:

(1/2) * ln((1+r)/(1-r)) * sqrt(DOF-2)

Thanks for the suggestion!

Gang



Edited 2 time(s). Last edit at 02/14/2017 08:59AM by Gang.
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Degree of Freedom

mallow February 13, 2017 02:38PM

Re: Degree of Freedom

gang February 14, 2017 08:48AM

Re: Degree of Freedom

Phil Burton February 14, 2017 02:02PM

Re: Degree of Freedom

gang February 14, 2017 03:46PM

Re: Degree of Freedom

mallow February 15, 2017 03:52PM