[Eeglablist] Applying ASR to Continuous Data Stream

[Cedric Cannard]

Hi Noor,

I do not believe you can use ASR on epoched data, it is typically applied to continuous data. 

This link does not work for me. In short, make sure your data are highpass-filtered (except if you are using the filter parameter from clean_rawdata), referenced, and have loaded your channel locations (although there is a channel location-free mode), and you should be good to go. If you have already rejected bad channels, do not interpolate them before ASR as it will cause rank-deficiency problems. 
And always check the outputs to see if the parameters need to be adjusted for your data. 


Cedric



------- Original Message -------
On Wednesday, March 29th, 2023 at 12:24 PM, Noor Tasnim <ntasnim at vt.edu> wrote:


> Dear EEGLAB Community,
> 
> We have a one-hour long continuous EEG data stream that we would like to
> pre-process using ASR. Is this advisable, or is it recommended to only use
> ASR on EEG data that is already epoched? Our plan then is to pull out 5
> minute segments of interest from this long stream of data after
> pre-processing.
> 
> Moreover, is there any helpful information on ASR in addition to what can
> be found on the clean_raw data wiki on Github (
> https://urldefense.com/v3/__https://github.com/sccn/clean_rawdata/wiki)?__;!!Mih3wA!FILVquqshuzLZv5G1fQvLhv1kjNgpe-GqVZkHPkwhrOZR4mcwYfm1hDdJAxtK79412-8JMdxFu4jDGKSYmTmNw$
> 
> Thank you for your time and consideration.
> 
> Kind regards,
> Noor
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