Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-07 Thread Arsenije Subotic
External Email - Use Caution Hi Doug, I realized this error a couple of days ago and now it works. Thank you, Arsenije ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-06 Thread Greve, Douglas N.,Ph.D.
Your FSGD file is incorrect in several ways. Under "variables" you have "Sex" and list "Male" and "Female". The variables must be numbers, not strings. The variables should also represent continuous quantities, not categories. To handle sex, you should have a total of 6 categories, the 3 that

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-05 Thread Arsenije Subotic
External Email - Use Caution Hi, I am still struggling to examine differences in thickness using the command line stream for my two groups after controlling for age and sex. I get the following error when running the command line: ERROR: matrix is ill-conditioned or badly

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-01 Thread Arsenije Subotic
External Email - Use Caution Hi Doug, This is the bulk of the text I wrote initially in my first email: Dear experts, I have recently tried to use the command line to examine thickness differences between two groups after controlling for the effects of age and sex. I get the

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-01 Thread Greve, Douglas N.,Ph.D.
sorry, can you also include the previous emails so I know what the context is? On 3/1/19 1:02 PM, Arsenije Subotic wrote: External Email - Use Caution Hi Doug, Thank you for your reply. My command was: mri_glmfit.bin --y CAA_CTRL_RH.thickness.10.mgh --fsgd CAA_CTRL_RH_Age_Sex.fsgd

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-03-01 Thread Arsenije Subotic
External Email - Use Caution Hi Doug, Thank you for your reply. My command was: mri_glmfit.bin --y CAA_CTRL_RH.thickness.10.mgh --fsgd CAA_CTRL_RH_Age_Sex.fsgd --C Contrasts/CAA-CTRL_Age_Sex.mtx --surf fsaverage rh --cortex --glmdir CAA_CTRL_RH_Age_Sex_Unix.glmdir My FSGD

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-02-28 Thread Greve, Douglas N.,Ph.D.
Did you see the line "If you seek help with this problem, make sure to send:" and then it lists some things to send On 2/25/19 2:13 PM, Arsenije Subotic wrote: > > External Email - Use Caution > > Dear experts, > > I have recently tried to use the command line to examine thickness >

[Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2019-02-25 Thread Arsenije Subotic
External Email - Use Caution Dear experts, I have recently tried to use the command line to examine thickness differences between two groups after controlling for the effects of age and sex. I get the following error : ERROR: matrix is ill-conditioned or badly scaled, condno =

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2017-03-16 Thread Douglas N Greve
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

[Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2017-03-16 Thread teodora petrova
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

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2016-06-29 Thread Arkadiy Maksimovskiy
Thank you for catching this. Really appreciate your help. - Arkadiiy ___ 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

Re: [Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2016-06-23 Thread Douglas Greve
You have no HDFemales so the 2nd column is 0. On 6/21/16 7:40 PM, Arkadiy Maksimovskiy wrote: Hello, Hello, I am getting the following error: ERROR: matrix is ill-conditioned or badly scaled, condno = 1e+08 Command line: mri_glmfit --y

[Freesurfer] matrix is ill-conditioned or badly scaled, condno = 1e+08

2016-06-21 Thread Arkadiy Maksimovskiy
Hello, Hello, I am getting the following error: ERROR: matrix is ill-conditioned or badly scaled, condno = 1e+08 Command line: mri_glmfit --y lh.BD_SD.thickness.10B.mgh --fsgd FSGD_Collapsed_Across_Smokers_demeaned.fsgd dods --C BDvsSD1.mtx --surf fsaverage