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  

|
October 22, 2007 12:54PM
Andrew,

If I understand you correctly, you have 9 levels in the design each of which was repeated multiple times. If that is the case, I would model the data with the usual -polort setup (not with -1) modeling the drifting effect and then test for quadratic effect with GLM among those 9 levels.

Gang
Subject Author Posted

Quadratic Trend / AM Regression?

Andrew October 22, 2007 10:54AM

Re: Quadratic Trend / AM Regression?

bob cox October 22, 2007 11:06AM

Re: Quadratic Trend / AM Regression?

AFNI Gang October 22, 2007 11:08AM

Re: Quadratic Trend / AM Regression?

Andrew October 22, 2007 11:41AM

Re: Quadratic Trend / AM Regression?

AFNI Gang October 22, 2007 12:54PM

Re: Quadratic Trend / AM Regression?

Andrew October 22, 2007 01:49PM