Hi,

I used 5.3 version. And it worked after I deleted empty line. And it works when I use 6.0 version.

Thanks for your help!

Best, Lanbo

On Mon, Jan 22, 2018 at 10:16 AM, Diers, Kersten /DZNE < Kersten.Diers@dzne.de> wrote:

Hi,

do you happen to use Freesurfer version 5.3 or maybe earlier?

It seems to me that in the 5.3 version empty lines in the qdec-long file (sub_long.dat in your case) were not skipped by the mris_preproc script, hence the 'nsubjects = 80' message although there are only 79 "subjects" (time-points, to be precise) in your sub_long.dat file.

This does not occur anymore in the 6.0 version.

I suppose the problem can be solved by removing the trailing empty line in your sub_long.dat file.

Please let us know if you are using a newer version than 5.3, since then we need to look for something else.

Best regards,

Kersten

-----Original Message----- From: lanbo Wang drrambow@gmail.com Reply-to: Freesurfer support list freesurfer@nmr.mgh.harvard.edu To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Linear Mixed Effect Modle Date: Sat, 20 Jan 2018 21:00:44 +0100

Hi, all experts.

When I try to use LME model. There is a code "mris_preproc --qdec-long qdec.table.dat --target fsaverage --hemi lh --meas thickness --out lh.thickness.mgh" in LME tutorials website under "b)Mass-univariate". When I ran it, error happened: """ [mtobia@localhost PD]$ mris_preproc --qdec-long $SUBJECTS_DIR/sub_long.dat --target fsaverage --hemi lh --meas thickness --out lh.thickness.long.mgh nsubjects = 80 ERROR: cannot find /HD4/PD/Patients_Symptom//.long. """ And I already check the file name, The folder name match <fsid>.long.<fsid_base>. What should I do now? Thanks for your help.

Best, Lanbo

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