If you seek help with this problem, make sure to send:
On 09/12/2017 02:51 PM, Wang, Xin wrote: > > Hello, FreeSurfer group, > > When I ran glmfit I got the following error massage. I standardize > ages but the problem remains. Any other suggestions? Alternatively, is > there any way to by-pass this design checking step? > > Thank you very much. > > Xin > > -------------------------------- > > 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.bin --y > RESULT/group_currPTSD_AgeGenderSiteFACT_adult/lh_group_currPTSD_AgeGenderSiteFACT_adult.fwhm10.fsaverage.mgh > > --fsgd group_currPTSD_AgeGenderSiteFACT_adult.fsgd dods --glmdir > RESULT/group_currPTSD_AgeGenderSiteFACT_adult/lh --surf fsaverage/ lh > --C group_currPTSD_AgeGenderSiteFACT_adult.mtx > > 2. The FSGD file (if using one) > > 3. And the design matrix above > > Attempting to diagnose further > > SumSq: Min=0.330000 (col 38), Max=18.703472 (col 62) > > The scale is much different between columns 38 and 62, you may want to > > normalize by subtracting the mean and dividing by the standard deviation. > > ERROR: cannot find > RESULT/group_currPTSD_AgeGenderSiteFACT_adult/lh/fwhm.dat > > > > _______________________________________________ > 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.
