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

[Eric HG]

Thank you very much for your response, Pal.

As regards to sampling rate and data analysis: Is it a problem with
different sampling rate if you want to do power analysis and magnitude
squared coherence.

Eric


On Thu, Jul 31, 2014 at 12:37 PM, Pål Gunnar Larsson <pall at ous-hf.no> wrote:

>
>
> > 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?
>
>
>
> It may be appropriate. It depends on what you yield from the data.
>
>
>
> > 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?
>
> If you can delete them, do that. You do not gain information by
> interpolation
>
>
>
> 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?
>
> There are many names, and slightly different location to those channels
> including "Sindrup". I guess F9 and F10 is pretty close to your T1 nd T2
>
>
>
> Pål
>
>
>
>
>
> Pål G. Larsson M.D., PhD.
>
> Head of Clinical Neurophysiology
>
> Department of Neurosurgery
>
> Division of Surgery and Clinical Neuroscience
>
>
>
> Oslo University Hospital
>
> Po.box 4950 Nydalen
>
> 0424 Oslo
>
> Norway
>
> Tel:  (+47) 23074407
>
> Mobile: (+47) 93429791
>
> E-mail: pall at ous-hf.no
>
> not sensitive
>
>
>
> *Fra:* eeglablist-bounces at sccn.ucsd.edu [mailto:
> eeglablist-bounces at sccn.ucsd.edu] *På vegne av* Eric HG
> *Sendt:* 30. juli 2014 22:16
> *Til:* eeglablist
> *Emne:* [Eeglablist] Questions about sampling rate, deleting channels,
> and adding additional channels
>
>
>
> 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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