Hi - yes the large number is the max possible number of permutations
- so 5000 should be plenty.
Cheers.
On 5 Aug 2007, at 19:11, Ethan J wrote:
> Hello,
>
> Thanks Prof. Smith for your earlier response.
>
> I have another question about the randomise program.
> By default, randomise is set to do 5000 permutations.
> However, when I try running randomise with my model, I
> get a statement "4.35891e+10 required for exhaustive
> test."
>
> I wanted to know in such cases and in general how many
> permutations should be set while running the randomise
> program? Would 5000 permutations be enough, to make
> valid interpretations of the ouput?
>
> Thanks,
> EJ
>
>
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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