You have commas (ie, ",") instead of decimal points (ie, ".") in your fsgd file. Try replacing them and see if that works
On 03/16/2017 08:59 AM, teodora petrova wrote: > Hello, > > I am trying to use the glm_fit to correlate a continuous variable > (index) with cortical thickness, when controlling for age, education, > and cognition (MMSE) (all continuous variables). However, I get the > following error: > > -------------------------------- > ERROR: matrix is ill-conditioned or badly scaled, condno = 1e+08 > -------------------------------- > Possible problem with experimental design: > Check for duplicate entries and/or lack of range of > continuous variables within a class. > If you seek help with this problem, make sure to send: > 1. Your command line: > mri_glmfit --y lh.index.thickness.10.mgh --fsgd index.fsgd dods > --C index.mtx --surf fsaverage lh --cortex --glmdir lh.index.glmdir > 2. The FSGD file (if using one) > 3. And the design matrix above > > Please find attached my fsgd file and the design matrix. > I searched the archives and found out that a possible reason for this > may be creating my file in Windows. Indeed, I created it by > copy-pasting the data from an Excel spreadsheet into an empty txt > file. I tried to convert it on Linux, using the command old.fsgd | sed > 's/\r/\n/g' > new.fsgd, as well as making a new txt file on Linux (by > copy -paste from a spreadsheet), but these did not work either. How > can I solve this? > > Thank you for the help! > > Best, > Teodora > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
