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August 20, 2019 11:59AM
Dear AFNI Experts,

I am trying to do nonlinear fitting to βs I got from 3dDeconvolve using 3dNLfim. Could anybody give me an example code to do that?
For better understanding my question:
I did linear regression using AM2 option in 3dDeconvolve, and fitted the βs(BOLD response to stimuli) with behavior data. Now I want to see whether nonlinear fitting works better or worse than linear regression. But I do not know where to input the behavior data when I tried to do this using 3dNLfim.
Any suggestion is welcome!

Thanks a lot!

Sally.
Subject Author Posted

Nonlinear fitting using 3dNLfim?

zjjdcrn August 20, 2019 11:59AM

Re: Nonlinear fitting using 3dNLfim?

rick reynolds August 22, 2019 12:27PM

Re: Nonlinear fitting using 3dNLfim?

zjjdcrn August 26, 2019 10:58AM

Re: Nonlinear fitting using 3dNLfim?

zjjdcrn August 30, 2019 01:02PM

Re: Nonlinear fitting using 3dNLfim?

rick reynolds September 03, 2019 12:58PM

Re: Nonlinear fitting using 3dNLfim?

zjjdcrn September 11, 2019 03:47PM



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