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On 6 May 2014, at 15:33, Vera Steinheuser <[log in to unmask]> wrote:

Hello everybody,

I have a sample of 100 participants and I want to check for correlations with some cognitive measures and FA.

I just randomise with 500 permutations. Do you think that number is enough, or do I have to put it up to 5000 permutations?

Thanks,

Vera

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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
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