[Eeglablist] Cluster-based permutation tests

[Arnaud Delorme]

In EEGLAB, you can use the cluster method only when using STUDY. 
However, you can also use the statistics on single trials in a single dataset (if you create a STUDY with a single dataset).

In EEGLAB 12, press the statistics button in the channel or component STUDY plotting interface. Then you can select cluster statistics (click on Fieldtrip, then select monte-carlo statistics, then select cluster correction).
It works as the other STUDY statistics.
Best,

Arno

On 16 Jan 2013, at 02:18, Tom Campbell wrote:

> Iman,
> If you are just interested in the time-domain, I'd compute the ERPs one way or another, and for each ERP, I'd put the averaged data in EEG.data somehow, sort out EEG as if the ERP in EEG.data were a very short section of EEG, so you can plot it ok in EEGLAB, and then convert to fieldtrip with said function. Then do it in fieldtrip. Fieldtrip have a good online tutorial for doing this just in the time-domain. There are functions for converting between EEGLAB and fieldtrip. 
> Best regards,
> Tom.
>  
> 
>  
> From: irezazadeh at ucdavis.edu
> To: arno at ucsd.edu; politzerahless at gmail.com
> Date: Mon, 14 Jan 2013 11:36:46 -0800
> CC: eeglablist at sccn.ucsd.edu
> Subject: Re: [Eeglablist] Cluster-based permutation tests
> 
> Hi Arno,
> Thanks for your reply!
> Actually, I want to do cluster-based permutation on EEG data ( not ICA stuff http://sccn.ucsd.edu/wiki/Chapter_04:_Processing_multiple_subjects_in_studies#Viewing_component_clusters
> ) and I could not find the help for that in EEGLAB tutorial .
>  
> Could you or any other EEGLABER please let me know how should I do the cluster-based permutation on time-domain data in EEGLAB ?
>  
> Best,
> Iman
>  
> From: Arnaud Delorme [mailto:arno at ucsd.edu] 
> Sent: Saturday, January 12, 2013 7:57 PM
> To: Stephen Politzer-Ahles
> Cc: Iman M.Rezazadeh; eeglablist at sccn.ucsd.edu
> Subject: Re: [Eeglablist] Cluster-based permutation tests
>  
> Dear Iman,
>  
> yes EEGLAB can do the cluster-based permutation test like Fieldtrip (in fact, it is calling some Fieldtrip function to do that). It is only available in EEGLAB 12 though.
> Best,
>  
> Arno
>  
> On 20 Dec 2012, at 12:35, Stephen Politzer-Ahles wrote:
> 
> 
> Hi Iman,
> 
> I'm  not aware of any EEGLAB functions for doing that (although it seems there are some previous discussions on the list about bootstrap statistics, which are somewhat related). But since EEGLAB data can easily be imported directly into FieldTrip (see the EEGLAB function eeglab2fieldtrip() ) it should not be difficult to do that test in FieldTrip. (also, I'm not experienced with the Mass Univariate toolbox or ERPLAB, so my not mentioning them doesn't mean that they can't do this; I just don't know about them.)
> 
> Best,
> Steve
> 
> On Wed, Dec 19, 2012 at 8:06 PM, Iman M.Rezazadeh <irezazadeh at ucdavis.edu> wrote:
> Hi Dear EEGLABERS,
> Hope all is fine with you!
> Can EEGLAB  do cluster based permutation test like fieldtrip  http://fieldtrip.fcdonders.nl/tutorial/cluster_permutation_freq
>  
> or Mass Univariate ERP Toolbox http://openwetware.org/wiki/Mass_Univariate_ERP_Toolbox:_within-subject_t-tests#Cluster-based_permutation_tests
>  
> I am looking for having the ttest topo-cluster  plot and raster plot…
> Best,
> Iman
>  
> Iman M.Rezazadeh, PhD
> Postdoctoral Research Fellow
> Center for Mind and Brain
> University of California, Davis
> irezazadeh at ucdavis.edu
> Cell:310-490-1808
> Skype: Imanmr
>  
> 
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> 
> -- 
> Stephen Politzer-Ahles
> University of Kansas
> Linguistics Department
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