Hi - do you have more EVs than data points (inputs)? That's not
allowed in GLM, and doesn't make sense in modelling terms....
Cheers.
On 10 Mar 2010, at 09:44, Chien-Han Lai wrote:
> Dear all FSL users:
> Sorry to bother you.
> Can anybody tells me how to solve the bugs while processing higher
> level analysis of FEAT?
> Thank you.
> Sincerely yours.
> Dr. Lai
> ln -s ../.files .files
>
> Higher-level stats
> cat ../design.lcon | awk '{ print }' > design.lcon
> /usr/local/fsl/bin/flameo --cope=filtered_func_data --
> vc=var_filtered_func_data --mask=mask --ld=stats --dm=design.mat --
> cs=design.grp --tc=design.con --runmode=flame1
>
>
>
> An exception has been thrown
> nevs >= ntpts, Singular matrix.Trace: Gsmanager::flame_stage1;
> Gsmanager::run.
>
> Log directory is: stats
> Setting up:
> ntptsing=1.000000
> 1.000000
>
> evs_group=1.000000
> 2.000000
>
> No f contrasts
>
> WARNING: The passed in varcope file, var_filtered_func_data,
> contains voxels inside the mask with zero (or negative) values.
> These voxels will be excluded from the analysis.
> nevs=2
> ntpts=2
> ngs=2
> nvoxels=256207
> Running:
>
> /bin/rm -f stats/zem* stats/zols* stats/mask* ; /bin/mv dof stats
>
> Post-stats
> child process exited abnormally
> while executing
> "exec sh -c "${FSLDIR}/bin/remove_ext $cleanedargs" "
> (procedure "remove_ext" line 8)
> invoked from within
> "remove_ext [ lsort -dictionary [ imglob zstat*.* ] ] [ lsort -
> dictionary [ imglob zfstat*.* ] ] "
> (procedure "feat5:proc_poststats" line 51)
> invoked from within
> "feat5:proc_poststats $RERUNNING $STDSPACE "
> ("-poststats" arm line 6)
> invoked from within
> "switch -- [ lindex $argv $argindex ] {
>
> -I {
> incr argindex 1
> set session [ lindex $argv $argindex ]
> }
>
> -D {
> incr argindex 1
> set..."
> ("for" body line 2)
> invoked from within
> "for { set argindex 1 } { $argindex < $argc } { incr argindex 1 } {
> switch -- [ lindex $argv $argindex ] {
>
> -I {
> incr argindex 1
> set ses..."
> (file "/usr/local/fsl/bin/feat" line 137)
>
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
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