[FieldTrip] fieldtrip Digest, Vol 24, Issue 16

[Stephen Politzer-Ahles]

Hi Caroline,

It looks like your call is missing

cfg.correctm = 'cluster';
cfg.tail = 0;

Those are both options that I include when I do it; I'm not sure if not
having those might be what's giving you the error message.

Best,
Steve

Message: 2
> Date: Tue, 13 Nov 2012 08:02:22 +0000
> From: Lustenberger Caroline <Caroline.Lustenberger at kispi.uzh.ch>
> To: FieldTrip discussion list <fieldtrip at science.ru.nl>
> Subject: Re: [FieldTrip] Cluster statistics
> Message-ID:
>         <7C66D90E0C18014E85B44B560D4D5BC81488F447 at EXZH1VM.kispi.int>
> Content-Type: text/plain; charset="us-ascii"
>
> Dear Stephen
>
> Thank you, It now perfectly works, but I always get this warning I'm not
> sure how to handle that:
>
> Warning: doing a two-sided test without correcting p-values or alpha-level,
> p-values and alpha-level will reflect one-sided tests per tail
>
>
> cfg.clusteralpha = 0.05;
>
> cfg.alpha = 0.05;
>
> cfg.clustertail = 0;
>
> When I want to test whether my data is significant different (direction
> not known, therefore two sided) with an alpha level <0.05 do I have to
> adjust my level to 0.025?
>
> All the Best, Caroline
>
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