Hi,

could not be the issue python version mismatch? tractstats2table is python script, maybe there is a problem.

Antonin



Hi Adarsh – What operating system are you running this on? It runs fine for me 
with this input file when I test it on both a mac and a linux computer.

a.y

From: 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 on behalf of Adarsh Nellore 
<adarsh.nellore...@gmail.com<mailto:adarsh.nellore...@gmail.com>>
Reply-To: Freesurfer support list 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Date: Tuesday, February 14, 2017 at 3:19 PM
To: "freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>" 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] tractstats2table error

Hi Anastasia,

The file I have seems very similar to the file in that link. I've pasted my 
file below:

# Title Pathway Statistics
#
# generating_program /usr/local/freesurfer/bin/dmri_pathstats
# cvs_version
# cmdline /usr/local/freesurfer/bin/dmri_pathstats --intrc 
/usr/local/freesurfer/subjects/control_data/diffusion_tracs/Control200_recon-all/dpath/fmajor_PP_avg33_mni_flt
 --dtbase 
/usr/local/freesurfer/subjects/control_data/diffusion_tracs/Control200_recon-all/dmri/dtifit
 --path fmajor --subj Control200_recon-all --out 
/usr/local/freesurfer/subjects/control_data/diffusion_tracs/Control200_recon-all/dpath/fmajor_PP_avg33_mni_flt/pathstats.overall.txt
 --outvox 
/usr/local/freesurfer/subjects/control_data/diffusion_tracs/Control200_recon-all/dpath/fmajor_PP_avg33_mni_flt/pathstats.byvoxel.txt
# sysname Linux
# hostname magbrain
# machine x86_64
# user magbrain
# anatomy_type pathway
#
# subjectname Control200_recon-all
# pathwayname fmajor
#
Count 1500
Volume 1206
Len_Min 51
Len_Max 113
Len_Avg 78.2753
Len_Center 70
AD_Avg 0.00117037
AD_Avg_Weight 0.00116289
AD_Avg_Center 0.001153
RD_Avg 0.000596586
RD_Avg_Weight 0.000603718
RD_Avg_Center 0.000548966
MD_Avg 0.000787847
MD_Avg_Weight 0.000790108
MD_Avg_Center 0.000750311
FA_Avg 0.415954
FA_Avg_Weight 0.404395
FA_Avg_Center 0.444513

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