[FieldTrip] Adding age as a covariate in using ft_freqstatistics

[Eelke Spaak]

Hi Ronny,

Are you interested in the covariation of age with your (in)dependent
variables? If not, i.e. if age is simpy a nuisance regressor, then you
could remove the variation explained by age using ft_regressconfound
and subsequently do the cluster stats as normal.

Cheers,
Eelke

On Thu, 11 Apr 2019 at 12:15, Ronny Ibrahim <ronny.ibrahim at mq.edu.au> wrote:
>
> 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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