Reference for permutation testing for factorial designs

[Michael Wibral]

Dear Fieldtrip users,

I know that every now and then the questions comes up on how to use permutation testing on 2x2 designs (potentially with interactions). On the code side fieldtrip offers the cfg.cvar mechanism to construct restricted permutations. Saskia Helbling pointed me to this reference that explains how to use such restricted permutations properly to 'fake' an ANOVA

Anderson MJ and Ter Braak CJF, "PERMUTATION TESTS FOR MULTI-FACTORIAL ANALYSIS OF VARIANCE", J Statistical Computation and Simulation, 2003

Hope you'll find this useful,
Michael

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