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Dear Freesurfer Experts,
Although I haven't had any problems with the qdec until now, this week the
qdec is having some errors when receiving inputs from the keyboard. For
example, I can't write in the design name box, nor can I change the minimum
or m
Sorry, qdec has been mothballed and we are not supporting it anymore
On 10/7/2020 7:12 AM, Agurne Sampedro Calvete wrote:
External Email - Use Caution
Dear Freesurfer Experts,
Although I haven't had any problems with the qdec until now, this week
the qdec is having some errors when r
catherine,
the error message says that:
The stats file /5000_series/5000_series/5002_out/stats/aseg.stats is not
found.
does that file exist? its a text file so you should be able to open it
with a text editor and view it.
if it doesnt exist, you can recreate it with:
recon-all -s 5002_out -s
Hi Experts:
Sorry, I forgot to attach the following error message I get when I attempt to
generate stats data tables:
I would be grateful if you tell me what I am doing wrong,
catherine
asegstats2table --common-segs --meas volume --tablefile
/5000_series/5000_series/qdec/stats_tables/aseg.volu
HI Experts:
Using Qdec, I have tried to generate Stats Data Tables, but below is the error
message I received. .I get this error message for all subjects but the
aseg.stats files are there and seem ok...
any ideas of what I am doing wrong?
cheers,
catherine
asegstats2table --common-segs --mea
?? wrote:
Hi,all:
I have several problems about the qdec in freesurfer 5.0.
Firstly,can somebody explain the function of the buttons in the qdec's
third step (display),such as Set using FDR in the False Discovery Rate
,Monte Carlo Null-Z simulation.If I just let these buttons as the
defa
Wang,
have a look at:
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/QdecGroupAnalysis
and also:
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/QdecMultipleComparisons
which itself has some links explaining the necessity for correcting for
multiple comparisons. the newer qdec has the
Hi,all:
I have several problems about the qdec in freesurfer 5.0.
Firstly,can somebody explain the function of the buttons in the qdec's third
step (display),such as Set using FDR in the False Discovery Rate ,Monte Carlo
Null-Z simulation.If I just let these buttons as the default ,is it ri
i think part of the confusion results from the option in qdec to import
the ROI thickness values into qdec for selection as factors in an
analysis. if what you want to do is simply look for cortex-wide (ie
vertex-wide) differences in thickness between two groups (patients vs.
controls), then you d
Hi Wang,
you can do different types of analysis. You can do a vertex-wise
comparison, in which case you'll have about 150,000 tests/hemisphere.
This makes the multiple comparison problem pretty bad, so people frequently
collapse into regions of interest (ROIs). We provide anatomical ROIs which
Hi all,
I want to analyse the thickness difference between patients and normals,but I
can not understand the results that I got from qdec-analysis .I hope someone
can help me.
Firstly,as the papers says, the Cortical (surface-based) Analysis measures the
Distance between white and pial surf
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