My usual strategy is to split up the permutations and run the jobs on a cluster; with luck your university will have access to one. Then you can have dozens of computers working on the job at the same time, for example one node doing permutations 1 to 5, another 6 to 10, etc.

Jo



On 8/1/2011 9:47 AM, Francisco Pereira wrote:
On Mon, Aug 1, 2011 at 10:34 AM, Nynke van der Laan
<[email protected]>  wrote:

An additional question I have is whether there is any easy way to
combine a searchlight analysis as described above with a permutation test.

For a particular classifier (GNB) it's possible to do this fast
enough, if I recall correctly this is the PyMVPA implementation

http://www.pymvpa.org/generated/mvpa.measures.gnbsearchlight.html

cheers,
Francisco

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