The fsgd file appears to have been created using a windows program (or mac program that saves in windows format).  Is that correct? I've attached a linux-compatible version. Let me know if that works.
doug

On 03/11/2014 12:19 PM, Wanda Truong wrote:

Hello,

I would like to conduct an analysis using mri_glmfit but I'm getting this error:
ERROR: matrix is ill-conditioned or badly scaled, condno = 1e+08

My command was:
mri_glmfit --y lh.area.fwhm10.fsaverage.mgh --fsgd finalgroupanalysis.fsgd dods --C group_effect.mtx --surf fsaverage lh --cortex --glmdir lh.surfacearea.glmdir

My FSGD file is attached. It contains 3 classes and 1 variable (age).

And my design matrix is
1 -1 0 0 0 0
1 0 -1 0 0 0

Please help!

Thank you for your time,
Wanda

--
Wanda Truong, MSc

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Douglas N. Greve, Ph.D.
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