[Eeglablist] Questions about sampling rate, deleting channels, and adding additional channels

[Makoto Miyakoshi]

Dear Eric,

> 1) I have a dataset with a different sampling rate than the others.
Should I resample the other datasets down to the same sampling rate as the
one dataset?

Yes.

> 2) I have had some problems with a few channels in some of the datasets
and I was wondering if it could be problem if I deleted those without
interpolating?

No, if you are going to follow our recommended preprocess pipeline i.e. ICA
-> ICA clustering at the group level. Otherwise, it depends on your
preprocess plan.

> 3) I have tried to add T1 and T2 by using the template in eeglab
(standard-10-5-cap385.elp) but they do not exist. Is there a way to get the
coordinates for the two channels?

You should either 1) find their coordinates and register them, or 2) find
the closest channels for replacement.

Makoto

On Wed, Jul 30, 2014 at 1:16 PM, Eric HG <erichg2013 at gmail.com> wrote:

> Hello!
>
> I have some questions that I hope you can help me with:
>
> 1) I have a dataset with a different sampling rate than the others. Should
> I resample the other datasets down to the same sampling rate as the one
> dataset?
>
> 2) I have had some problems with a few channels in some of the datasets
> and I was wondering if it could be problem if I deleted those without
> interpolating?
>
> 3) I have tried to add T1 and T2 by using the template in eeglab
> (standard-10-5-cap385.elp) but they do not exist. Is there a way to get the
> coordinates for the two channels?
>
> Best regards,
>
> Eric
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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