[Eeglablist] Cluster-based permutation tests

[Tom Campbell]

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,
SteveOn 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, PhDPostdoctoral Research FellowCenter for Mind and BrainUniversity of California, Davisirezazadeh at ucdavis.eduCell:310-490-1808Skype: Imanmr 
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-- 
Stephen Politzer-Ahles
University of Kansas
Linguistics Department
http://people.ku.edu/~sjpa/ _______________________________________________
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