[FieldTrip] Adding age as a covariate in using ft_freqstatistics

[Ronny Ibrahim]

Hi Fieldtrippers,

I am currently trying to add age as a covariate in running cluster permutation statistics for comparing a control and clinical population group. I was wondering whether anyone has any inputs or suggestions on how to go about this.


The current idea that I've got after browsing online was doing it in a factorial design.

http://www.fieldtriptoolbox.org/faq/how_can_i_test_an_interaction_effect_using_cluster-based_permutation_tests/

Unfortunately for me the age group distribution between the two groups were not the same.


Many thank's in advance.


Kind Regards,


Ronny

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https://doi.org/10.1371/journal.pcbi.1002202