Hi Donal,
the threshold is the t-statistic value you want to threshold at. Thresholding at a given uncorrected-p would require modifying randomise to run twice, using the voxelwise t-statisic null-distributions from the first run to apply p-thresholds for the second run.
Kind Regards
Matthew
> Dear experts,
>
> I am trying to use the -c option within randomise to perform cluster-based thresholding. I am wondering what the input argument <thresh> should be in this instance?
>
> I would like to threshold my statistic images at an uncorrected p-value of 0.001. Can I supply 0.001 as the value of <thresh>, or do I need to supply a t-statistic value?
>
> Kind regards,
> Donal
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