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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nic
September 24, 2014 05:22PM
Hi Gang,

I just saw your message, sorry!

Using 3dWilcoxon worked rather well, i.e., the results make sense (and I may feel inclined to say that they are beautiful) with respect to location and direction. Therefore, I believe the sporadic but extreme outliers were addressed while the results are robust to show the expected patterns.

Do you have more specific questions? I would gladly provide more information!

In contrast, using 3dMann-Whitney for the between-group comparison seems a bit conservative (or the effect is just not there though 3dMW also did not show a significant effect in another study where 3dttest++ and 3dMEMA showed significant effects). Are there other non-parametric tests for between-group comparisons in AFNI? I could not find anything suitable.

Thanks!

Nic
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Subject Author Posted

Outlier/extreme value removal methods

nic August 10, 2014 07:20PM

Re: Outlier/extreme value removal methods

gang August 11, 2014 04:35PM

Re: Outlier/extreme value removal methods

nic August 12, 2014 12:26PM

Re: Outlier/extreme value removal methods

nic August 13, 2014 04:06PM

Re: Outlier/extreme value removal methods

gang August 13, 2014 05:45PM

Re: Outlier/extreme value removal methods

nic September 24, 2014 05:22PM

Re: Outlier/extreme value removal methods

gang September 25, 2014 10:46AM