Hi .
Thank you for your prompt reply to my previous message.
I'm trying to do a feat analysis for a sparse sampling design
(TR=12seconds).
In one of your previous messages you have suggested to handle data as a
PET data, and to turn off prewhitening and any convolution models and to
specify TR=1seconds EV - custom 3 columns format;
The experimental design has 3 conditions + baseline condition.
I was following your advice and the results can be seen here:
=======================
the report:
ftp://ftp.rotman-baycrest.on.ca/pub/anda/fsl/report.html
The only thing that I do not undestand is that the activation map for some
contrasts c3,c4,c5 ,c6 are completely blank.
I have checked the report log file and I have found these 2 error/warning
messages that maybe can explain the results?
=============================================
The report log file :
ftp://ftp.rotman-baycrest.on.ca/pub/anda/fsl/report.log
+++++++++
An exception has been thrown
Runtime error:- detected by Newmat: matrix is singular
++++++++++++++++
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Warning: empty x range [0.5:0.5], adjusting to [0.495:0.505]
Thank you again for your help.
Anda
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