Hello,
Can you let me know the higher-level design and contrasts you are using?
Kind Regards
Matthew
> On 3 Mar 2017, at 10:48, Rayyan <[log in to unmask]> wrote:
>
> Dear FSL Experts,
>
> I've been trying to run a Higher Level analysis for the same subject using two runs of an fMRI paradigm. In the first run, we have two conditions (A, B) and in the second another two (C, D). Therefore my initial design matrix for run 1 and 2 consists of A B C D where C and D are set to be empty in the first scan, and A and B empty in the second.
>
> I am running a voxel based thresholding here.
>
>
> So far all is good. The trouble is in the HLA analysis for combining both sessions 1 and 2 for the subject. I get the following error in the log for my first cope contrast, before the analysis stops:
>
> echo 0 > thresh_zstat1.vol
> zstat1: DLH=nan VOLUME=0 RESELS=nan
> can't use non-numeric floating-point value as operand of "/"
> while executing
> "if { [ catch {
>
> for { set argindex 1 } { $argindex < $argc } { incr argindex 1 } {
> switch -- [ lindex $argv $argindex ] {
>
> -I {
> incr arginde..."
> (file "/usr/share/fsl/5.0/bin/feat" line 309)
> Error encountered while running in main feat script, halting.
> can't use non-numeric floating-point value as operand of "/"
>
>
>
> I've actually been getting this error when running other Higher Level analyses as well using different subjects. Could it be related to my data? Or an OS issue? Im running Ubuntu 14 since I tried installing FSL on 16.10 but kept getting dependency errors.
>
> My end goal is to do a third HLA using the cope outputs.
>
>
> Thanks for the help!
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