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

History of AFNI updates  

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May 15, 2012 02:12PM
Hi,
I tried to use 3dttest++ to do it. There is no statistic significant region. I also tried to use 3dDeconvolve to remove the age and gender effects first, then to use 3dTcorr1D to calculate the correlation coefficient, the result is total different and looks reasonable. Is it correct using 3dTcorr1D? Otherwise, I tried to calculate both the spearman and pearson correlation. The regions of statistic significant using spearman are more than the result using pearson. If I assume the correlation is not linear I should use spearman coefficient, right?

Thanks,
Xiaozhen
Subject Author Posted

request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 14, 2012 04:36AM

Re: request for calculating voxelwise correlation coefficient help

Daniel Glen May 14, 2012 10:59AM

Re: request for calculating voxelwise correlation coefficient help

Gang Chen May 14, 2012 11:24AM

Re: request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 14, 2012 02:35PM

Re: request for calculating voxelwise correlation coefficient help

Gang Chen May 14, 2012 03:41PM

Re: request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 15, 2012 02:12PM

Re: request for calculating voxelwise correlation coefficient help

Gang Chen May 16, 2012 09:57AM

Re: request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 18, 2012 02:18AM

Re: request for calculating voxelwise correlation coefficient help

gang May 18, 2012 12:49PM

Re: request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 18, 2012 01:53PM

Re: request for calculating voxelwise correlation coefficient help

gang May 18, 2012 02:12PM

Re: request for calculating voxelwise correlation coefficient help

Xiaozhen Li May 18, 2012 02:59PM

Re: request for calculating voxelwise correlation coefficient help

moreau January 04, 2017 11:59AM

Re: request for calculating voxelwise correlation coefficient help

gang January 05, 2017 08:48AM