Hello,
The null-distribution for each contrast will be in the <output>_tfce_corrp_tstat2.txt files.
Kind Regards
Matthew
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Dr Matthew Webster
FMRIB Centre
John Radcliffe Hospital
University of Oxford
> On 30 Jun 2017, at 16:56, Dolu Obatusin <[log in to unmask]> wrote:
>
> Dear FSL Experts,
>
> I am working with DTI data, and developing a workflow to perform voxel-based analysis. An important step in this workflow is to perform permutation testing to evaluate group differences on the voxel level. How can I output null distribution values and generate a histogram after running randomise in the command line.
>
> The command is:
>
> randomise -i input_for_randomise_roi.nii.gz -o tame_vs_aggr_comparison -d tame_vs_aggr.mat -t tame_vs_aggr.con -T --uncorrp -N
>
> The outputs are:
>
> The results are: <output>_tfce_tstat1.nii.gz, <output>_tfce_corrp_tstat1.txt,<output>_tfce_p_tstat1.nii.gz, <output>_tstat1.nii.gz < output>_tfce_tstat2.nii.gz, <output>_tfce_corrp_tstat2.txt,<output>_tfce_p_tstat2.nii.gz, <output>_tstat2.nii.gz
>
> I believe that the null distribution is supposed to be a text file according to the help documentation for randomise v2.9, but I don't quite understand the output because none of them appear to be the null distribution.
>
> Thanks you,
>
> Dolu Obatusin
> PhD Researcher @ GT
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