[Eeglablist] Filter causality pop_eegfiltnew

Vito de Feo vito.defeo at zmnh.uni-hamburg.de
Tue Jan 14 04:15:48 PST 2014


Dear Andreas,

I download the last version (13.1.1) and now the option is present and  
it is clearly written that the default is the zero-phase linear  
filtering.

In my previous version (the last of the EEGLAB 12) this option was not  
present but now, with the version 13, it is present again!

Best,

Vito

Quoting Andreas Widmann <widmann at uni-leipzig.de>:

> Dear Vito,
>
>> in the last eeglab version there is not the minphase parameter in  
>> the pop_eegfiltnew function.
> Which version is your last version? In 13.1.1 from the web page and  
> in rev 10261 from SVN the option is present. It was initially  
> introduced in EEGLAB 13 (but not backported to EEGLAB 12). Could you  
> please check whether possibly something went wrong with your  
> setup/path and report back your version number?
>
>> It was useful to force the filter to be causal. If I have  
>> understand well now the filter is causal by dafault because it uses  
>> the filter funcion. Is this correct?
> NO! Causal non-linear filter is NOT the default. Default is and will  
> remain zero-phase linear filtering. Default filter functions did not  
> change since EEGLAB 12.
>
> Best,
> Andreas
>
>> Sorry if this is a vey well known issue but I didn't find any  
>> answer on the web until now.
>> I need filter causality for Granger analisys. If anyone has also  
>> other suggestion about causal filtering with eeglab, any suggestion  
>> is very welcome!
>>
>> Thank in advange!
>>
>> Vito
>>
>>
>>
>> --
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>> Joachim Prölß
>> Rainer Schoppik
>>
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>> --
>> Makoto Miyakoshi
>> Swartz Center for Computational Neuroscience
>> Institute for Neural Computation, University of California San Diego
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-- 
Pflichtangaben gemäß Gesetz über elektronische Handelsregister und Genossenschaftsregister sowie das Unternehmensregister (EHUG):

Universitätsklinikum Hamburg-Eppendorf
Körperschaft des öffentlichen Rechts
Gerichtsstand: Hamburg

Vorstandsmitglieder:
Prof. Dr. Christian Gerloff (Vertreter des Vorsitzenden)
Prof. Dr. Dr. Uwe Koch-Gromus
Joachim Prölß
Rainer Schoppik


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