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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Karelo
July 29, 2020 04:36AM
Hi Rick,

Thank you so much for your reply. I had been talking with Bob about this topic, and the problem was more specific than I thought. Even though the problem is solved, I would like to post what happened because this could be useful for other users.

Basically, I was trying to use "sub bands" which are bands with very short frequency ranges. The cause of the error in the program was because I tried to band pass at these very low frequency (0.002 - 0.01 Hz). Unfortunately, that removed all the independent components in the signal, leaving nothing behind. At that point it is not possible to get any valid statistics. So, the given error is convenient in the way to warn the users that their results are not robust at that point, which is something great.

Kind regards,
Karel
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Subject Author Posted

Regression question (using 3dTproject )

Karelo June 16, 2020 11:01AM

Re: Regression question (using 3dTproject )

rick reynolds June 22, 2020 10:41AM

Re: Regression question (using 3dTproject )

Karelo July 29, 2020 04:36AM