[Eeglablist] Reject data (all methods)

[Mikołaj Magnuski]

Concerning problem 2:
are you sure that your data are epoched?
Tools for automatic rejection work on epoched
data, so they are disabled until you epoch the data.

Mikolaj


2013/3/17 ida miokovic <ida.miokovic at gmail.com>

> Dear list,
>
> I am running ICA decomposition on continuous data. I have several
> questions regarding this:
>
> 1. After applying lowpass filter and removing line noise (using Cleanline
> plug-in), I import the channel locations of the dataset. I am using EEGLAB
> v12.0.1.0b which is having issues with channel locations importing, but
> when I obtain ICA components, scalp maps seem to be plotted correctly, so I
> suppose that this bug does not influence this step? After that, I do the
> average reference.
>
> 2. Since I plan to run ICA second time, I should remove bad trials of the
> components (not entire component/s) using Tools --> Reject data using ICA
> --> Reject data (all methods). After doing all described above, I do not
> have an option to click on this tab "Reject data (all methods)" (it is
> grey). It is possibe to click only on "Reject components by map". Does
> anyone have an idea what could be the reason for this?
>
> 3. There is a suggestion that not more than 10% of the dataset should be
> rejected after applying all the methods I am interested in. Are some of the
> methods given it this menu (Find abnormal values, Find abnormal trends,
> Find impropable data, Find abnormal distributions, Find abnormal spectra
> (slow)) more convenient that others and which? Which way I can calculate
> what is the percent of the rejected data?
>
> 4. Should the mean of the all channels be removed somewhere in this
> procedure and where is it suggested to be done? As I mentioned, here
> contiuous data is used, so there are no epochs and no need for baseline
> removal.
>
>
> Thank you very much for any help.
>
> All the best
>
> Ida
>
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