non-parametric cluster-based analysis

Eric Maris e.maris at DONDERS.RU.NL
Wed Oct 27 07:33:36 CEST 2010


Hi Emanuel,


> I would like to know if I it is allowed to do three single non-
> parametric cluster
> based analyses and use IndepT-statistics, if I will test three groups
> (group A
> vs B, B vs C and A vs C) by . And  is it then nescessarily to adjust
> post-hoc
> the p-value of all three comparisons because of multiple comparisons?

Yes, this is required.

Alternatively, you may run a single three-group analysis using the
indepsamplesF statistic. Here, you test the null hypothesis that the
observations in the three groups are all drawn from the same probability
distribution.


Best,

Eric





>
> Thanx!
> Emanuel
>
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