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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jiaxin
November 21, 2018 08:05AM
Hello Daniel,
Thank you very much for your quick response. 

I ran below (with the command lines) before 3dmaskave, then it did work (no warning).

float_scan -fix cl_sigpc+tlrc.BRIK > cl_psc+tlrc.BRIK
rm -f cl_sigpc+tlrc.BRIK
mv cl_psc+tlrc.BRIK cl_sigpc+tlrc.BRIK

And I have another question about how to use 3dsynthesize.
The warning message I keep getting is(all sub-briks):
*+WARNING: clexp_int+tlrc[0] scale to shorts mean misfit error =12.4% -- *caution
*+WARNING: clexp_int+tlrc[1] scale to shorts mean misfit error =10.6% -- *caution
......

My script is:
3dsynthesize -matrix X.xmat.1D -cbucket all_betas.clexp+tlrc -select baseline -prefix stuffNo
3dcalc -a all_runs.clexp+tlrc -b stuffNo+tlrc -expr 'a-b' -prefix clexp_int
3dcalc -a all_betas.clexp+tlrc'[0]' -b clexp_int+tlrc'[0-169]' -expr 'a+b' -prefix clexp_all1
3dcalc -a all_betas.clexp+tlrc'[4]' -b clexp_int+tlrc'[170-339]' -expr 'a+b' -prefix clexp_all2
Thank you very much again! 

Xin
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Subject Author Posted

fixed float errors

jiaxin November 20, 2018 02:28AM

Re: fixed float errors

Daniel Glen November 20, 2018 04:12PM

Re: fixed float errors

jiaxin November 21, 2018 08:05AM