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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Zhihao_Li
July 31, 2014 12:33PM
Hi Ziad,
I have another questions about 3dkmeans. For the -r option, the help says "-r number For k-means clustering, the number of times the k-means clustering algorithm is run (default: 0 with -clust_init, 1 otherwise)".
So if I use "-r 5", my understanding is that the k-means algorithm will run 5 times with 5 different sets of initial centers. Is my understanding correct? If yes, then how are these 5 clustering results combined to produce the final results?
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Subject Author Posted

what does 3dkmeans do?

Zhihao_Li July 02, 2014 10:33AM

Re: what does 3dkmeans do?

ziad July 03, 2014 12:19PM

Re: what does 3dkmeans do?

Zhihao_Li July 03, 2014 01:11PM

Re: what does 3dkmeans do?

Zhihao_Li July 31, 2014 12:33PM